Indoor Outdoor Thermometer

Y ou can use your smartphone to check weather conditions and temperature, but it won’t provide the precise information an indoor-outdoor thermometer will. This device is designed to resist extreme temperatures and incorporates performant sensors that deliver accurate values based on which you can make everyday decisions regarding what you should wear inside the house or how to prepare to face the weather outside.

Many thermometers offer, besides temperature measurement, other useful functions and features like time and date display or humidity levels, proving to be highly versatile devices. If you are looking for one for your house but cannot decide on the model yet, our well-researched article might shed a little light, so check it out for extra information and recommendations.

Top 12 Indoor Outdoor Thermometers Compared

Photo	Product Name	Indoor Temperature Range	Outdoor Temperature Range	Transmission/Reading Range	Humidity Range	Price
Best Overall	1. SMARTRO SC62	32°F – 122°F	7.6°F – 125.6°F	200 ft.	20% – 95%	Check Price
Editor’s Choice	2. AcuRite 00592A4	-40°F – 158°F	32°F – 122°F	330 ft.	Outdoor: 1% – 99%; Indoor: 16% – 98%	Check Price
	3. Taylor 681	-60°F – 120°F	-60°F – 120°F	30 ft.	Option Not Included	Check Price
	4. Temp Minder MRI-200HI	-40°F – 65°F	-40°F – 65°F	164 ft.	N/A	Check Price
Best for the Money	5. ThermoPro TP65	-4 °F – 158°F	-4 °F – 158°F	200 ft.	10% – 99%	Check Price
Best For Monitoring Multiple Locations	6. AMIR 8541833437	14℉– 140℉	-40℉ – 140℉	328 ft.	10% – 99%	Check Price
	7. ThermoPro TP63A	-4°F – 158°F	-31°F – 158°F	200 ft.	10% – 99%	Check Price
	8. AcuRite 2049	32°F – 122°F	-40°F – 158°F	165 ft.	N/A	Check Price
	9. ORIA 8541833438	14℉ – 140℉	-40°F – 140°F	328 ft.	20% – 95%	Check Price
	10. La Crosse Technology WS-1025	-13°F – 158° F	-13°F – 158° F	N/A	Option Not Included	Check Price
	11. Brannan 12/426/3	50° F – 104° F	50° F – 104° F	N/A	Option Not Included	Check Price
Best Budget Indoor Outdoor Thermometer	12. MARATHON BA030001	-40°F – 120°F	-40°F – 120°F	N/A	Option Not Included	Check Price

1. SMARTRO SC62

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With SMARTRO SC62 you don’t get a thermometer, you get a genuine weather station, as this device is equipped with everything it needs to register temperature, humidity and moon phase, and it can analyze the weather conditions from the past 12 hours and provide a good weather forecast for the following days. Moreover, it features additional functions like time and date display and an alarm for those days when you need to wake up early.

Customizable Temperature Alerts

Designed to work both indoors and outdoors, it can measure even extreme temperatures which can range from –7.6 to 125.6 degrees Fahrenheit for outdoor measurements and from 0 to 122 degrees Fahrenheit for indoors. Moreover, you can set an alert to go on every time the temperature drops under or rises upon a certain value.

Multiple Location Monitoring

Outdoor temperature can vary depending on the spot you place your sensor, so to get an accurate parameter, you could consider measuring the temperature in two or three positions and calculate an average value. This model comes with one remote sensor and offers you the possibility to acquire two more for more precise temperature measurement. Furthermore, it features a transmission range of 200 ft. in an open area so you can place the sensors further in your yard.

Weather Forecast

Along with temperature, humidity level, date, hour and other useful information, the LCD display includes a color icon that illustrates forecast and changes its shape accordingly so you can know if rain, snow, clouds or sun are expected for the next 12 hours. The weather station uses the barometer to analyze data from previous hours and make accurate predictions.

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2. AcuRite 00592A4

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The problem with beautiful, sleek thermometers is they rarely come with visible reading. You have to struggle to see the values, and reading them from distance is practically impossible. However, this is not the case with this elegant model, which was intentionally provided with an LCD monitor that has the optimal size and shows large numbers and letters, so users can easily see the information they need. Furthermore, the visibility is increased by the momentary blue backlight, which was added so you can read temperature and humidity even when the light is dimmer or the night has set in.

It comes with an outdoor sensor that collects data from outside and transmits it to the source through wireless, with a range of 330 feet. This means you won’t have to get out of the house to know how the weather is. Plus, the sensor is weather-resistant and comes with an integrated hanger so you can place it in a tree or hang it somewhere inside your greenhouse. It reads temperatures between -40°F and 158°F for outdoors, and between 32°F and 122°F for indoors, and the monitor uses trend arrows to help you keep track with temperature changes. Besides that, it reads humidity as well, with values between 1% and 99% for outdoors and between 16% and 98% for indoors.

Other parameters that are measured and displayed on the monitor include the daily high and low humidity and temperature, time and date, and moon phase. As a bonus, the digital clock automatically adapts for daylight saving time. You can choose to set it vertically, on a table or a nightstand, or mount it on the wall. It all depends on your taste and accessibility options.

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3. Taylor 681

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Although it doesn’t come with an outdoor sensor, it compensates through its extra-large size and excellent accuracy. Taylor 681 is the perfect option for users living in areas where temperatures tend to reach extreme values, as its measurement range is between -60 and 120 degrees Fahrenheit. Due to its weather-resistant, metallic design and clean look, you can choose to place it indoors, on a wall, or hang it outdoors in the patio or garage. It measures 18 inches in height and 18 inches in width, with numbers that are as tall as 2 inches, so you won’t have any troubles reading it from a distance of up to 30 feet.

The shatterproof lens will go through harsh winters, storms, and heavy rains with the guarantee that the screen will remain intact and the accuracy of the readings won’t be altered. Plus, the built-in hangers are solid and reliable, designed to keep it in place no matter the weather conditions. The bright red pointer is visible from distance, indicating the current temperature with precision in every moment of the day. Not to mention that its simple design goes with everything, whether you are buying it for a school, church or barn.

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4. Temp Minder MRI-200HI

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Versatile and compact, it can be either mounted on the wall or placed on the tabletop. The large screen displays both the outdoor and outdoor temperature with an accuracy of about +/-2 degrees Fahrenheit.

Additionally, in the lower-left corner, you can read the hour, which will be represented in a 12 or 24 hours format, depending on your preferences.
It comes with one remote transmitter, but it has a capacity of 3 channels, allowing you to add other sensors if you need to measure the temperature in multiple points. The 164 ft. transmission range is decent and the transmitter is designed to handle outdoor conditions. However, it is not recommended to expose it directly to rain or sun.

The thermometer registers and saves the minimum and maximum temperature in a day with measurement possibilities that range between -40°F and 65°F. Moreover, it works on 2 AAA or 2 AA batteries that have a good lifespan, so you won’t have to constantly replace them.

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5. ThermoPro TP65

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If you are looking for a thermometer that is both accurate and easy to read, you should check this model from ThermoPro. Designed with an extra-large LCD screen, it allows you to read the data from distance, even if the light is dimmer. Moreover, the touch screen helps you select the settings and you can choose between Fahrenheit- and Celsius-degree temperature display or read humidity and temperature from up to three remote sensors that can be placed outdoors. Provided with professional-grade sensors, it accurately measures values between -4 and 158 degrees Fahrenheit, no matter if the measurements are made indoors or outdoors.

Furthermore, it displays humidity for values that range between 10% and 99% with an accuracy of +/- 2% from 30% to 80% and +/-3% below 30% and above 80%. The measurements are made every 30 seconds, providing you with exact data. Moreover, the transmission range in open space is 200 ft., more than enough so you can read the values transmitted by the sensors outside. It records the MIN and MAX values from the previous days and is able to make a good prediction about what’s about to happen with the weather in the next hours.

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6. AMIR 8541833437

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Sometimes, 1 extra degree on your thermometer is all it takes to ruin your perfect thermal comfort, especially if you are a temperature-sensitive person, so a device that alerts you every time the temperature in your house goes under or above certain values is nothing but a great acquisition. AMIR 8541833437 allows you set the minimum and the maximum value and signals you every time temperature exceeds this range. 2 sensor transmitters are available, with a range of 328 ft. in open area so you can collect data from multiple places and get a more accurate measurement.

It features a broad temperature range of 14-140 degrees Fahrenheit for indoors and -40 to 140 degrees Fahrenheit for outdoors. Furthermore, it proves to be extremely versatile, as it comes with multiple installation methods, allowing you to set it on the table, hang it on the wall, or stick it on the refrigerator. The performant sensors will also measure humidity with a range of 20% to 95%, providing you with all the necessary data to take decisions about your clothing or home temperature.

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7. ThermoPro TP63A

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No matter if rain is pouring or it’s brick cold outside, this thermometer won’t stop measuring the temperature and humidity, as it comes with a waterproof design and a rechargeable lithium battery that keeps it going even at extremely low temperatures. The package contains one outdoor remote sensor and you can buy two more if you wish to get a more accurate measurement. The transmission range is 200 ft. and it will measure temperatures between -4 and 158 degrees Fahrenheit for indoors and between -31 and 158 degrees Fahrenheit for outdoors with a temperature tolerance of +/-2 degrees Fahrenheit.

The orange backlight offers good visibility in any light conditions and brings warmth into your house. Moreover, the LCD screen is large enough and makes reading easy, allowing you to follow the temperature and humidity all day. It records Min and Max temperature and humidity and predicts if changes are about to happen in the following hours. Plus, it can be mounted on the fridge, placed on the table or hung on the wall, as it comes with all these convenient mounting settings.

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8. AcuRite 2049

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Wireless and including a waterproof remote sensor that can stand temperatures down to -40 degrees, this digital thermometer is ready to face some harsh weather conditions. With a transmission range of 165 ft., it allows you to place the remote sensor in your yard and get accurate data without stepping outside. Furthermore, it records and stores Min and Max temperatures from the past 12, 24, 36 hours or over all time and uses trend arrows to show if the current temperature is falling, raising or remaining the same.

The signal strength indicator helps you figure out where the sensor should be placed to transmit the most accurate data, while the large LCD screen displays values in an easy-to-read manner. Moreover, the data is refreshed every 30 seconds and transmitted with a performant 433 MHz signal, so you only receive up-to-date information. Accurate and provided with a sleek design, it is perfect for home owners who wish to stay in control of the temperature and humidity in their house.

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9. ORIA 8541833438

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You won’t have any problem to find a place for this thermometer as it features a great variety of mounting methods. An integrated magnet is available, so you can place it on the fridge, and a bracket at the back of the device allows you to place it on the table. Moreover, if hanging it on the wall is more convenient for you, you can always use the integrated hanging hole. Designed for both outdoors and indoors uses, it comes with two remote sensors that can be placed as far as 328 ft. from the source, allowing you to get multiple data readings and find out the temperature value without getting out of the house.

Equipped with an LCD screen and 6 function keys, it is easy to operate. You can set a minimum and maximum value for the temperature and it will alert you whenever these values are exceeded. Moreover, you can change the measurement system from Fahrenheit to Celsius or clear the MIN/MAX values with just the press of a button. Provided with quality sensors, it can measure temperatures ranging from 14 and 140 degrees Fahrenheit for indoors and between -40 and 140 degrees Fahrenheit for outdoors. It also records humidity levels with a range of 20% to 95% and can indicate the trend for the following hours.

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10. La Crosse Technology WS-1025

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Weather-resistant and featuring a minimalist design, this model can be mounted on the window, either on the interior or exterior side, and it will deliver highly accurate temperature readings with a range between -13 and 158 degrees Fahrenheit. The large, clear screen, with huge 1.25-inch digits, offers excellent visibility, allowing you to read the values from distance. In addition to that, you can keep track of the maximum and minimum values of every day, as it conveniently shows them on the screen. The MIN resets every day at 8:00 PM, while the MAX resets at 8:00 AM, so you will only receive up-to-date measurements.

It is treated against UV action and able to resist extreme temperatures and a fair amount of humidity. Not to mention that it is incredibly easy to mount, with an adhesive strip that sticks it to the window, and is removable for easy cleaning. 4 inches wide and 3-3/4 inches high, it allows you to clearly see the numbers without occupying your whole window space. Another bonus is the 1-year warranty that covers a wide range of manufacturing flaws so you can purchase with confidence.

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11. Brannan 12/426/3

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When it comes to gardening, knowing the temperature on site can make the difference between a lush crop and no crop, and Brannan 12/426/3 is the just the right device for this task. It easily mounts on the wall in your house or the garden greenhouse and allows you to select either the Celsius or Fahrenheit reading system. The temperature range is 50-104 degrees Fahrenheit for both indoor and outdoor readings. Moreover, it displays the minimum and maximum temperature of the day, so you can predict how the weather is going to act in the following hours.

It is lightweight and compact, so you will be able to move it wherever you need it most. It comes with an incorporated keyhole slot that allow you to hang it outdoors. Moreover, it requires one AA battery, which is included, so you can use it out of the box. On the lateral side, you will find a reset button to be used every time you need to receive fresher information. Plus, a nice customer service team is at your disposal for any advice or questions you may have.

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12. MARATHON BA030001

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If complicated devices are not your thing and you are just looking for a strong, accurate device to deliver worthy information, you should take a look at MARATHON BA030001. This simple thermometer can stand harsh weather conditions and measure a wide range of temperatures starting from -40 to 120 degrees Fahrenheit. Plus, you don’t have to deal with complicated set-up guides or go through the hassle of connecting wireless remote sensors. It is ready to work as soon as you get it out of the box and you can mount it on a wall or windowsill in no time, using only the 2 included screws.

Water-resistant, it won’t get wrecked even if the weather turns bad, so you will have a trustworthy friend delivering you information all year round. Moreover, it is 16 inches tall, more than enough for you to read the temperature from the distance, and displays measurements both in the Celsius and Fahrenheit system.

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Conclusion

Whether you are looking for a multifunctional gadget that can display not only temperature but humidity and weather trends, or a simple device that does what it says without draining your wallet, an indoor-outdoor thermometer will help you keep track of temperature variations and get the right decisions to protect yourself against cold or extreme heat.

However, if you are looking for one that can match some specific features, a second look over the following models might help you decide:

Best Overall: SMARTRO SC62

One of the most accurate thermometers on the market, SMARTRO SC62 can provide an excellent temperature reading, with the extreme values varying between 32°F and 122°F for indoors and 7.6°F and 125.6°F for outdoors.
Furthermore, it can read humidity with a resolution of 1% and a range of 20% to 90%. Based on these values, it can make predictions for the following hours, showing the course the temperature is going to take.

It features 3 transmission channels and comes with 1 transmitter, allowing you to add two more if you need to monitor multiple locations for more accurate data. The transmission range extends to 200 feet and the data captured by the sensors is transmitted through wireless and displayed on a large LCD.

Editor’s Choice: AcuRite 00592A4

We have appreciated the elegance and simplicity this model has to offer. Equipped with a large LCD screen that uses tall numbers to display the temperature, it allows you to read the data from distance and even during the night, as it features a blue backlight. Along with the temperature values, it shows the date, hour, humidity, and moon phase. The temperature values range between -40°F and 158°F for indoors and 32°F and 122°F for outdoors, while humidity is recorded as long as it stays between 1% and 99%.

Three channels are available for outdoor monitoring and the transmission range is 330 ft. However, it includes only one transmitter, so you will have to purchase the rest if you wish to monitor other locations.

Best Indoor Outdoor Thermometer for the Money: ThermoPro TP65

The perfect report between quality and price is matched by ThermoPro TP65, which offers professional-grade sensors and an extra-large monitor at a very attractive price. The transmission range is also pretty decent, measuring up to 200 feet. Plus, it comes with one remote transmitter but can accommodate 2 more.

The 4” LCD features a blue backlight and displays the indoor and outdoor temperature and humidity. It allows you to select the measuring system and clear the memory when you need to free up space. Furthermore, it uses an arrow system to indicate the weather trend for the following hours.

Best For Monitoring Multiple Locations: AMIR 8541833437

Many indoor-outdoor thermometers incorporate multiple channels, but only a few come with more than one transmitter. This means that if you wish to monitor multiple spaces, you will need to invest in additional sensors. AMIR 8541833437 features 2 channels and comes with 2 transmitters that can send the collected data on a distance of up to 328 ft., a performance that is rarely acquired by other thermometers.

Furthermore, if you are monitoring a greenhouse or other spaces that are sensitive to temperature variations, you can set an alarm to sound every time the temperature drops under or grows over a certain value.

Best Budget Indoor Outdoor Thermometer: MARATHON BA030001

Sometimes a straightforward thermometer that does what it was meant to do is the best choice, especially if you are not willing to throw more than a few bucks on it. MARATHON BA030001 won’t show the humidity or the time, but it will measure temperature with amazing accuracy and display it on a huge 16-inch tall scale that can be easily read from the distance.