The 11 Best Outdoor Temperature transmitters (2023 reviews)

There are several advantages of having a outdoor temperature transmitter. Let’s take you step by step, type by type, and find the best outdoor temperature transmitter for you.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Acurite Outdoor Temperature transmitter READ REVIEW

Best For car: Buy: Acurite Wireless Outdoor Thermometer READ REVIEW

Best For Pool: Buy: Thermopro Outdoor Temperature transmitter READ REVIEW

Best For Censors: Buy: Amir exact Range READ REVIEW

Best With bracket: Buy: Auing Outdoor Temperature transmitter READ REVIEW

Best For Inside vs Outside Temp: Buy: Keekit Outdoor Temperature transmitter READ REVIEW

Best For window: Buy: Thermopro Digital Hygrometer READ REVIEW

Best With alarm: Buy: u UNNI Outdoor Temperature transmitter READ REVIEW

Best With Hygrometer: Buy: Wittime Outdoor Temperature transmitter READ REVIEW

Best With suction cup: Buy: Amir Outdoor Temperature transmitter READ REVIEW

Best For Pool Thermometer: Buy: Amtast Outdoor Temperature transmitter READ REVIEW

Best Overall: Acurite Outdoor Temperature transmitter

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The acurite outdoor temperature transmitter is capable of outshining several other transmitter featured in this list in overall features. It is great to monitor temperatures inside and out. The sleek, stylish display stands upright for tabletop use or wall. It can deal with the slightly lower voltage. The narrow white box has to be hung outside to tell the black box what the outside temperature is. The good display makes it very easy to read inside and outside temperatures.

It is working great and doesn't lose signal, but usually shows about 2 degrees warmer than the car's own thermometer. They offer pinpoint accuracy, personalized for your location.

• Display is big enough to read from a distance, easy to program
• Accurate, nice design, easy to read and simple to set up
• Screen is clear, with high and low readings
• Works great, no issues, reads temperature correctly

Best For car: Acurite Wireless Outdoor Thermometer

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If you often find yourself scrambling for convenient and suitable transmitter, acurite wireless outdoor thermometer should be your first option for buying. It works well as an indoor/outdoor remote thermometer. It has large easy-to-read numbers and even has a high/low temperature display. The outdoor sensor can be placed up to 165 feet (50 meters) away from the indoor display unit to monitor the temperature of an enviroment. The indoor sensor with lithium batteries reads about 1-2 deg C higher than the thermostat and responds in minutes to a 2 deg C change in the ambient temperature. It works well at long range and through multiple walls.

There is a temperature gauge on the unit that you keep in your home, plus one on the unit you place outside. It is great for helping determine when to open and when to close. This works very good that takes the temperature inside and outside and it's well-made.

• Resistant design, and an integrated hanger for easy outdoor mounting
• Convenient outdoor wireless unit can be used anywhere
• Small but stable indoor “table top” unit and an easy to-hang-on-a-nail outdoor sensor

Best For Pool: Thermopro Outdoor Temperature transmitter

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The thermopro outdoor temperature transmitter is specially designed for your daily usage and has all useful features. The Room thermometer indoor/outdoor thermometer wireless sensor features rainproof design, allows you to monitor outdoor temperature even in rainy days. It comes with everything you need, an indoor monitor, an outdoor sensor, and 2 AAA batteries for each unit. The Thermometer works well, easily paired with the remote sensor, no complaints.

The outside sensor is actually dimensionally bigger and takes two AAA batteries as does the indoor unit which are all included. The small size makes it unobtrusive in decor and perfect for limited spaces. It is painfully slow adjusting to a new temperature. The indoor display has low battery indicator for both devices so there never needs to be a question of when to change them out.

• Simple in design makes it easy to read at a glance
• Easy to set up and indoor unit sets anywhere
• Works well in wet weather as well

Best For Censors: Amir exact Range

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The features department is where amir exact range truly manages to shine. This set is very compact and easy to read. It comes with a remote sensor that can record the temperature and humidity timely, display temperature and humidity changes of the main unit and 3 transmitters. It is a great way to keep track of the environment, max and mins displayed also. Pressing this button will display the minimum and maximum temperature and humidity. It will take a minute or two for your receiver to "tune in" to the transmitter. It is perfectly fine, looks excellent, shows temperature and humidity. The main monitor also tells the temp inside the trailer. It is also easy to setup.

• Works great, keep track of temp and humidity in multiple small spaces
• Cost effective system for multi location temp/humidity
• Excellent thermometer that allows for up to three locations

Best With bracket: Auing Outdoor Temperature transmitter

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate transmitter. The auing outdoor temperature transmitter is exactly that - it's a simple transmitter that hits all the right notes. This digital hygrometer temperature gauge features a tabletop stand to place on your counter or uses the magnetic back to attach to a fridge or mount on the wall. It keeps accurate temps inside and out. It can connect up to three remote sensors, one sensor is included and if needed, the other two can be purchased separately. It makes the two most important measurements and each piece is portable.

This wireless thermometer features a blue backlight and touchscreen, turn on the backlight to make it clear and easy to read at night, 12 seconds auto. The base unit for inside reads 50% humidity and outside reads 63% humidity, keep in mind they are less than 6 inches apart. It shows the temperature inside and out.

• Super easy to set up, and get going
• Nothing special, but provides the basic info for knowing your indoor and outdoor weather
• One of the new comers and featured product

Best For Inside vs Outside Temp: Keekit Outdoor Temperature transmitter

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If you want nothing less than best desirable transmitter, then keekit outdoor temperature transmitter is the one you should definitely consider, as it manages to bring a lot to the table. It features a tabletop, wall-mountable and magnet-mountable design, convenient mounting feature for every type of kitchen, greenhouse, guitar room, office and cellar. It provides temperature and humidity trend display, max and min data display, and support to display 24h and all time period selection, which will bring you greater convenience. It features face icons to indicate dry/comfort/wet air condition quickly. They pick up minor temp variations that occur just inches apart.

The display unit is bright and viewing angle can be better. It has internal battery backup additionally it is great for monitoring temps for plants. The sensors are accurate and have good repeatability. The numbers are big and easy to read.

• Great for monitoring temps for plants
• Lot of satisfied buyers

Best For window: Thermopro Digital Hygrometer

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Thermopro offers a variety of transmitter for personal choice and yet maintaining quality in all the variants. The Indoor/Outdoor hygrometer wireless ensures proper temperature and humidity control, which has important health benefits, and thermometer digital can be placed in baby room, nursery, cellar, basement, warehouse and greenhouse. It is easy to mount the outside sensor in a convenient place. It measures indoor outdoor temperature and humidity percentages simultaneously. It is slotted in the back for wall hanging on a screw. It certainly doesn't glow or light up.

The sensor is on the outside window seal out of the direct sun. It is easy to set up, and is accurate to what the local forecast is too. It is rather small but it works accurately.

• Looks very good and is within 1 degree of what the thermostat
• Great wireless hygrometer with medium range
• Thermopro tp60 hygrometer indoor & outdoor

Best With alarm: u UNNI Outdoor Temperature transmitter

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If you are currently in the market looking for a suitable transmitter for your daily usage, u unni outdoor temperature transmitter is the natural choice. Accurate temperature and humidity monitor is crucial to seniors and kids. It is a nice weather monitor that shows indoor and outdoor temperatures, humidity, and more. There is a channel button that you just touch and it toggles through the 3 sensors...and you can leave on whichever one you want to usually see.

The wireless weather thermometers display screen, is clear and compact, easy to read numbers and info. The color display makes it easy to read indoor and outdoor temperatures. There is also a small kickstand included for the weather station, so look for it in the box. The setup is easy and the color is modern and sleek.

• Works well, except for memory of minimum temperature
• You can see the temp from across a lit room
• Small, simple and easy to read
• Much brighter with the power cord than battery

Best With Hygrometer: Wittime Outdoor Temperature transmitter

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Compared with other transmitter in this category, the wittime outdoor temperature transmitter has a convenient design. If you are looking for an attractive weather monitor that is very cost effective, this is it. It shows both interior and exterior temps & humidity, and has a mode that shows the high/low for the last 24 hrs. The display is bright and very easy to read. It fits in small spaces to add to that lasting a long time.

This unit has a nice bright display that is easily read from across the room. It is easy to read from a distance and accurate and has battery backup in case of power failure. The display is it would really go through the batteries if it stays on all the time. It is easy to see and monitor the weather outside inside.

• Works great as to temperature, inside and outside
• Compact design fits in small spaces
• One of the new comers and featured product

Best With suction cup: Amir Outdoor Temperature transmitter

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Compared with other transmitter in this category, the amir outdoor temperature transmitter has a convenient design. This indoor outdoor hygrometer thermometer supports upright, magnetic and hanging, very easy to place, and the transmitter is come with a lanyard, suction cup. It comes with 1 built-in sensor and 3 wireless sensors, and this hygrometer thermometer can display temperature and humidity of 4 different areas. It will not alarm at once when temperature exceeds pre-set. The distance between the main component in the exterior components has to be continuously monitored for disconnection. This enables the backlight to be on all the time without draining the batteries plus it saves batteries when they aren't needed since the base unit is usually near an AC plug in the house.

The range of the sensors appears good. It is easy to setup but the range is less than stellar.

• Great wireless temperature sensing for 3 remote locations
• All four temperature and humidity readings were amazingly consistent
• Simple to operate, accurate, nice and functional design

Best For Pool Thermometer: Amtast Outdoor Temperature transmitter

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The amtast outdoor temperature transmitter should be able to handle its purpose and duties with ease. This is one of the best for your pool. It is designed for monitoring the temperatures for swimming pool, heated pool, wood fired tubs, spa spa. The product is equipped with installation accessories and assembly drawings, users can install the transmitter in a suitable outdoor location after the installation. It is great to have solar and not more battery changing but reads almost 3f high.

The portable unit is a real plus. It is durable for a long-term use.

• 2 x aa 1.5v alkaline or rechargeable
• Made of abs, has high stability and good waterproof performance
• Easy setup and works like a charm
• Charges with solar and a rechargeable battery you supply