The Best Outdoor Thermometers 2025

1. AcuRite Indoor Digital Thermometer & Hygrometer (Thermohygrometer); 3"x2.5"x1.3", 0.28 lbs (00325)

Ensuring proper indoor humidity has important skin, allergen, and other health benefits by inhibiting the growth of mold, bacteria, viruses, fungi, mites, and different asthma-inducing agents. The AcuRite Digital Temperature & Humidity Monitor allows you to check comfort conditions at a glance with this indoor humidity gauge and thermometer combination. Requires two (2) AA batteries (not included) to function. This thermometer can be either displayed on a tabletop or hung with a magnet. The display shows the highest and lowest temperature and humidity readings recorded in your indoor environment from the past 24 hours. The Temperature and Humidity Monitor is simple to use and features a variety of mounting options. Stands upright for tabletop use and offers a magnetic backing for easy placement on metal surfaces such as your refrigerator. This thermometer/hygrometer measures 3" H x 2.5" W x 1.3" D, weighs 0.28lbs., and comes with a limited one-year warranty.

AcuRite Indoor Digital Thermometer & Hygrometer with Temperature and Humidity Gauge (00325) Reliable and Accurate Readings: Thermometer and Hygrometer gauge are able to quickly report measurements Multiple Placement Options: Sleek tabletop design with a magnet attached on the back for easy placement anywhere Humidity Comfort Level Icon: Ensure proper indoor humidity in any room where the digital humidity and temperature monitor is placed Simple, Easy-to-Read Display: Easily see a snapshot of current conditions at a glance Daily High and Low Indoor Temperature and Humidity Levels: Easily understand your range of conditions in any room Height: 3" Width: 2.5" Depth: 1.3" Weight: 0.28 lbs

2. AcuRite Solar Power Pack for AcuRite Optimus, AcuRite Atlas and AcuRite Iris Weather Sensors

The AcuRite Solar Power Pack replaces the need for AA batteries in the AcuRite Optimus, AcuRite Atlas or AcuRite Iris weather sensors (sold separately). Enjoy the convenience and safety of avoiding regular battery replacements in hard-to-reach places where your AcuRite outdoor weather sensor operates. This easy-to-install solar panel mounts to a 3/4-inch pole or flat surface like a deck post, fence, or shed wall. All mounting hardware is included, and a QR code on the manual will take you to an instructional installation video for guidance. The solar panel does not need to be in direct sunlight all day to charge! Any available direct or ambient sunlight taken in by the solar panel charges the internal lithium-ion battery (#18650) and sends that power through a 30-foot cord to the battery compartment on your AcuRite Iris, AcuRite Atlas or AcuRite Optimus sensors. By using this solar power pack, you’ll be helping the environment by refraining from disposable batteries and saving money by skipping the batteries on your grocery list! Supplement your AcuRite weather station with this solar power pack, or gift this rechargeable solar-powered battery for Father’s Day, Christmas, or birthdays to your friends and family members who own AcuRite sensors. Avoid changing low or dead batteries and pick up this useful solar power pack for your AcuRite weather station!

Indoor and outdoor temperature (degrees Fahrenheit and Celsius) with trend arrow Automatically adjusts for Daylight Saving Time (DST) Bright blue momentary backlight Frost icon indicates when temperatures are below freezing Intelli-Time clock & date (month/day/day of week) Plastic Housing Moon phase Battery-Powered Display (3 AA batteries, not included) Daily high and low temperature and humidity records Battery-Powered Outdoor Sensor (2 AA batteries, not included) Totally wireless tabletop or wall-mountable design Indoor and outdoor humidity (%RH) Indicator for wireless sensor signal strength Weighs 0.92 oz

3. La Crosse Technology WS-1025 Outdoor Digital Window Thermometer

Read outdoor temperature conveniently from inside your home from La Crosse Technology. Large digital 4” thermometer easily adheres to a glass door or window from outside. Protected from UV light and rain will give you convenience of weatherproofing. Removeable bracket makes it easy for cleaning. Monitor your outdoor temperature maximums and minimum values daily with automatic resets in morning and night. Battery operation with included AAA battery and displays when power is low and that battery should be replaced. Easy set steps: 1) Unscrew battery cover and pull plastic tab under AAA battery. LCD will turn on. Replace cover and set the time. This ensures MIN/MAX values adjust correctly. Clean glass surface and remove Adhesive strip covers from mounting bracket. Firmly press for 30 seconds and attach thermometer onto bracket.

La Crosse Technology WS-1025 Outdoor Digital Window Thermometer Easy-to-read outside temperature from inside with See-Thru design; Attach to window or glass door Current Temperature digits over 1 inch tall Weather-resistant construction with UV shield & rain protection Detachable bracket for Window Cleaning Displays MIN & MAX Temperature with Auto Reset Temperature range: -13°F to 158°F Requires 1 AAA battery (included)

4. AcuRite 8" Analog Thermometer with Easy to Read Numbers; 8"x2"x0.62", Not Battery Powered; Plastic

Get both the Fahrenheit and Celsius degree scales with the AcuRite 8" Thermometer 00322. It can be used both indoors and outdoors. The AcuRite white thermometer features an easy mount hand hole on the back of the unit. It will continuously give you reliable and accurate temperature readings. It has a durable design and can withstand different types of weather. It features a non-toxic spirit-filled tube and is ideal for someone who wants daily temperature readings. This thermometer comes with a one-year limited warranty.

AcuRite 8" Thermometer: For indoor/outdoor use Tube thermometer on plastic backing Offers Fahrenheit and Celsius degree scale Easy mount hand hole included on the back Dimensions: .62 in x 3.87 in x 10.75 in Model# 00322W Analog gauge; Not powered by battery

5. AcuRite 13.5" White Thermometer with Humidity Gauge; 13.5 x 14.5 x 1.8, Not Battery Powered, Plastic, 1 unit

This AcuRite Thermometer with Humidity (00324) lets you accurately gauge the temperature and relative humidity level outside. This thermometer is shatter and weather-resistant and made to last. The 13" diameter dial is easy to read and features large markings in degrees Fahrenheit. This analog thermometer is sturdy and weather-resistant so it can withstand life outdoors, making it an ideal choice for your deck or patio. Installation is quick and simple, and the precision-made thermometer coil ensures accurate readings. A bright white background makes the sans serif black lettering even more legible. This is not powered, bi-metal coil thermometer comes with a one-year limited warranty. Contains: 1 unit.

Accurately gauge the temperature and relative humidity level with the AcuRite Bi-Metal Coil Thermometer with Humidity 1.75 in x 13.5 in x 14.5 in This easy-to-mount outdoor thermometer is ideal for use on your deck or patio. Weather-Resistant Design Features of this outdoor thermometer with hygrometer include an easy-to-see and read 13" diameter dial and sturdy weather-resistant plastic construction 1 Unit No batteries required (Not powered by batteries)

6. Grobag Egg - Room Thermometer

short description is not available

Grobag Egg - Room Thermometer

7. Hide a Key for House Car and Safe Keys- Temperature Reading Indoor and Outdoor Working Wall Mount Thermometer with Key Storage by Stalwart

Discreet working thermometer Hidden Key Holder by Stalwart reads the temperature in both Fahrenheit or Celsius. No one will guess that you are hiding house, car, or safe keys just on the other side. Mount this on any outside or inside wall for easy access to your spare keys. IMPORTANT: Avoid buying counterfeit products and transacting with unauthorized sellers. Look for our logo on the packaging for every one of our products. Stalwart is committed to providing the consumer with the absolute best price and value on our entire line of products, which we ensure by applying a rigorous Quality Control process. Stalwart is a registered trademark protected by U.S. Trademark law and will be vigorously defended.

WORKING THERMOMETER- This discreet wall mount hide a key is equipped with a real working thermometer, so no one will be able to guess that it's a hiding place for your spare keys. INDOOR OR OUTDOOR USE- Mount this hidden key thermometer to any inside or outside wall. Perfect for hiding car, house, or safe keys in the home or outdoors. HOLDS TWO KEYS- Equipped with interior hooks, this spare key hider can hold up to two keys at a time. Safely conceal both an extra house key as well as the spare key for your car simultaneously. PRODUCT DETAILS- 6.3" (H) x 2" (W) x 1" (D). Color: White. Material: Plastic. Measurement Units: Fahrenheit and Celsius

8. Oregon Scientific Wireless Thermometer with USB

Oregon Scientific Wireless Thermometer with USB, Celsius Reading, Clock, Calendar, Memory Recall, For Indoor/Outdoor, PC

Oregon Scientific Wireless Thermometer with USB Application/Usage: Indoor/Outdoor, PC Application/Usage: Indoor/Outdoor, PC Display Screen: LCD Display Screen: LCD Temperature Reading: Celsius Temperature Reading: Celsius

9. Oregon Scientific Wireless Indoor/Outdoor Thermometer

Now you can know the temperature outdoors from the comfort of your home or office. Oregon Scientific's wireless indoor/outdoor thermometer shows you the indoor temperature and the temperature from up to three remote locations outside within a 100-foot transmission range. Also with a crescendo alarm.

Crescendo alarm with snooze function Wireless indoor/outdoor temperature sensor Monitors indoor temperature from 32 to 122F Outdoor temperature range from -4 to 140F Compatible with THRN122N sensor (included) Remote sensor has up to 100-foot transmission range

10. La Crosse Technology WS-7034TWC-IT Weather Channel Wireless Thermometer

La Crosse Technology WS-7034TWC-IT Weather Channel Wireless Thermometer, Clock, Wall Mountable, For Indoor/Outdoor

La Crosse Technology WS-7034TWC-IT Weather Channel Wireless Thermometer Application/Usage: Indoor/Outdoor Battery Chemistry: Alkaline Application/Usage: Indoor/Outdoor Battery Chemistry: Alkaline Display Screen: LCD Display Screen: LCD Battery Size Supported: AAA, AA Number of Batteries Supported: 2 Temperature Reading: Celsius, Fahrenheit Battery Size Supported: AAA, AA