Best Weatherproof Outdoor Thermometers of 2025

This 12-inch indoor outdoor thermometer wireless comes with a stainless steel enclosure, large easy-to-read numbers, and a temperature and humidity measurement range of -60 to 140℉ (-50 to 60℃) and 20% to 90% RH, respectively. It also features auto calibration and can be placed both outdoors and indoors for your convenience.

Brannan Greenhouse Thermometer is a stylish and weatherproof max min thermometer perfect for monitoring temperatures in your garden greenhouse or indoor grow room. This thermometer displays high, low, and current temperatures, making it essential for any greenhouse enthusiast. With a temperature range of -20 to 50C and an accuracy of +/-1C, you can easily switch between Celsius and Fahrenheit. Powered by a single AAA battery, this reliable thermometer is wall-mountable and a convenient size at 148 x 111 x 35mm.

The MARATHON 16-Inch Vertical Outdoor Thermometer is perfect for both indoor and outdoor use. Its large numbers and size make it easy to read the temperature from a distance, and it has a wide range of -40°C/-40°F to 50°C/120°. Additionally, this weather-resistant thermometer can be easily mounted on a wall, fence, or window sill with the included screws. And, with no buttons to operate, it is the simplest thermometer to use without any instructions.

AcuRite Window Thermometer is a digital outdoor thermometer that provides accurate temperature readings. It comes with a weather-proof metallic mount and a rubber weather seal over the on/off switch. The large digital display shows the temperature clearly in 3/4-inch-high numerals, ranging from -4 to 158 degrees Fahrenheit. With a repositionable suction cup mount, you can easily place it wherever you prefer. This thermometer is convenient for quick outdoor temperature checks, ensuring you are prepared for any weather conditions.

Enjoy the accuracy and vintage style of the Taylor Precision Products 481CR Dial Thermometer. The thermometer is designed for both indoor and outdoor use, measuring a wide temperature range from -40°F to 120°F (-40°C to 50°C), making it suitable for all climates. The antique copper finish, easy-to-read measurement increments, and classic design add a touch of vintage charm to any setting. Its weatherproof glass and anodized aluminum construction ensure durability against the outdoor elements, and an adjustable mounting bracket is included for easy installation.

The Taylor Bourbon Barrel Clock and Thermometer, also known as the Taylor Barrel Clock, is a handcrafted and painted poly resin clock and thermometer that is suitable for both indoor and outdoor use. With its durable and weather-resistant construction, this clock/thermometer can withstand various climate ranges and seasons. The thermometer measures temperatures from -60°F to 120°F, allowing you to easily monitor the temperature in your surroundings. The accurate quartz clock movement ensures precise time measurement. The Taylor Barrel Clock also features a built-in hanger on the back for easy mounting. With its weather resistance, accurate timekeeping, and convenient mounting option, this clock/thermometer is a great addition to any indoor or outdoor space.

The Springfield Outdoor Thermometer is a durable and precise thermometer/hygrometer combo designed for indoor and outdoor use. Constructed with weather-resistant materials, it can measure temperatures from -40 to 120 degrees Fahrenheit and humidity from 10 to 100%. The bold black lettering and large numbers, along with a bright red pointer, make it easy to read. Its 9.125-inch size makes it versatile for use in various settings like greenhouses, offices, or gardens. No batteries are needed, and for best results, avoid direct sunlight exposure.