How Does an Indoor-Outdoor Thermometer Work

The best weather devices that money can buy sometimes cannot give you the accurate weather report. This is because weather conditions are highly unpredictable; thus, even your weatherman on TV is not always accurate.

But with new edge indoor outdoor thermometers, you can predict the weather report and outdoor and indoor temperature and humidity quite precisely, if not perfectly. If you wish to reduce the error rate, you must know how an indoor outdoor thermometer works and how they calculate the given data to predict the weather.

With the passage of time and with the intervention of new weather tech, the thermometers are more accurate than ever before; thus, to enlighten you about the working of an indoor-outdoor thermometer, we have come up with this blog. 

This blog is written in a simplified manner so that you can read and understand the complex workings of a weather thermometer.

What is an indoor-outdoor thermometer?

An indoor-outdoor thermometer is a thermometer that provides you with temperature and humidity readings of both indoor and outdoor weather conditions. To measure the outdoor reading, it uses an independent sensor that needs to be placed at a certain level and in a specific range.

Nowadays, indoor and outdoor thermometers provide you with weather predictions 24 hours in advance; this is an excellent feature as you can plan your outing accordingly. It comes in both wireless and wired options, and one can choose from a wide range of products available in the market.

These are battery-powered and are very energy efficient.

Why should you own an indoor-outdoor thermometer?

The best part of owning an indoor\outdoor thermometer is getting all the readings without stepping out of your house. You can get readings like outdoor indoor temperature, humidity, barometric pressure, moon phases and heat levels at your convenience.

Some thermometers also give you a 24-hour prior weather forecast which can help you plan your outdoor adventure. 

Nonetheless, you can use an indoor-outdoor thermometer in various types of use cases, like measuring the temperature of your cold storage or the temperature of your infant’s room. The installation process is straightforward and self-explanatory.

Knowing the humidity levels outside also helps you dress accordingly so that you stay comfortable throughout the day.

How does an indoor-outdoor thermometer work?

An indoor outdoor thermometer measures the ambient temperature of your house and your outdoor surrounding. They have built-in sensors that analyse the surroundings and compute the given value to provide you with measurements in the electronic display.

The measurement is shown in scales like Celsius and Fahrenheit, whatever you have selected during the setup. A wireless thermometer setup can cover a range of 30 meters.

There is a sensor usually built compact, which you need to place outdoors to measure the outdoor temperature and humidity. It reads the humidity with the help of a hygrometer which is present in many thermometers. 

The hygrometer present in the electronic indoor outdoor thermometer measures the water vapour percentage and gives you readings of the humidity levels.

An indoor outdoor thermometer takes all these readings and can forecast the weather and alert you about any concerning forthcoming condition.

Thermometers can last for 5 to 6 years or more, and their battery lasts almost a year before you need to change it.

New indoor and outdoor thermometers are predicting weather situations better than before and are pretty accurate.

Yes, the display and sensor units require batteries.

The digital weather thermometer display takes one temperature reading from a built-in sensor. Another reading is taken from a wireless thermometer sensor that can be placed outdoors or in another room.

Thermometers measure the temperature of the air. Most thermometers have closed glass tubes containing liquid, such as alcohol or mercury. The air around the tube heats the liquid expands and moves up the tube. A scale then displays the actual temperature.


Knowing your weather better before you go out or plan an outing is always advisable. Having an indoor outdoor thermometer can save you from harmful UV rays, sudden thunderstorms and many other weather calamities. Also, you can dress according to the weather condition and stay comfortable the whole day.

Thank you for reading this article. Have a great day ahead!

Scroll to Top