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Best Outside Thermometer Apps

216+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated June 2026

Every iPhone needs a few good outside thermometer apps. We benchmark 216+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Outside Thermometer

Thermometer++ App#1

Thermometer++ App by Viachaslau Tysianchuk

Temperature and more
Editor's Choice
☀️ Weather
4.7😊(7.1K ratings)
FreeAdsIn-App Purchases
#64in Weather
Thermometer++ App screenshot 1
Thermometer++ App screenshot 2
Thermometer++ App screenshot 3

Transform your device into a precise thermometer. Get real-time outdoor temperature, humidity, pressure, and wind data for your current location. Utilizes AI to combine data from multiple sources for accurate, up-to-the-minute weather information.

What We Love

  • 🚀 Accurate temperature readings
  • 👍 Simple and easy to use
  • 🔍 Provides humidity information
  • 🌍 Works well in different locations

Room to Improve

  • 🐛 Inconsistent temperature readings
  • 🗺️ Inaccurate location detection
  • 🔌 Doesn't work without internet connection
HD Thermometer ⊎#2

HD Thermometer ⊎ by Christophe Pereira

Current temperature & more
Strong Contender
☀️ Weather
4.3😐(13K ratings)
FreeAdsIn-App Purchases
#49in Weather
HD Thermometer ⊎ screenshot 1
HD Thermometer ⊎ screenshot 2
HD Thermometer ⊎ screenshot 3
HD Thermometer ⊎ screenshot 4

Displays the current temperature for your location using a weather service. Offers a clean, rustic interface and allows saving multiple locations. Not a true thermometer, it relies on external data for accuracy.

What We Love

  • ✅ Accurate
  • 🚀 Simple and reliable
  • 💻 Convenient for checking temperatures
  • 🌍 Provides temperatures for multiple locations

Room to Improve

  • 🚫 Does not measure indoor/room temperature
  • 🤔 Relies on weather data rather than direct measurement
  • 💰 Paid version required to remove ads
Thermometer#3

Thermometer by Alexandre Morcos

Temperature & More
Worth Considering
🔧 Utilities
4.4😞(3.9K ratings)
FreeAdsIn-App Purchases
Thermometer screenshot 1
Thermometer screenshot 2
Thermometer screenshot 3
Thermometer screenshot 4

This app transforms your iPhone or iPod Touch into a thermometer, displaying the exact outside temperature based on your current location. It provides detailed local weather conditions and allows you to check temperatures for other cities.

What We Love

  • 👍 Simple and easy to use
  • 🚀 Quick temperature display
  • 💡 Useful for checking outdoor temperature

Room to Improve

  • 🐛 Inaccurate temperature readings
  • 🔍 Doesn't measure room/indoor temperature
  • 💤 Doesn't update temperature in real-time

More Outside Thermometer apps to explore

4
Thermometer: Live Weather
Thermometer: Live Weather
Thermometer: Live Weather
Get outside temperature
Free

Access real-time outdoor temperature information with this intuitive mobile application. It provides accurate, up-to-the-minute weather updates through a user-friendly interface, keeping you informed about current conditions.

Real-time temperature displayAccurate weather updatesUser-friendly interface
☀️ Weather
(85)
ad-supported
5
TempPro Sensor
TempPro Sensor
TempPro Sensor
by iTronics Co., Limited
Free

Monitor real-time temperature and humidity with historical data up to one year. Receive alerts when readings fall outside your set range, ensuring optimal conditions.

Real-time temperature displayReal-time humidity displayHeat index display
🌟 Lifestyle
(11K)
free
6
Thermo - Live Thermometer
Thermo - Live Thermometer
Thermo - Live Thermometer
Temperature Widget,Map,Alerts
Free

Get real-time outdoor temperature and detailed weather data for your current location or any city worldwide. Features include an interactive map, humidity, 'feels like' temperature, forecasts, smart alerts, and home screen widgets.

Live temperature updatesInteractive temperature mapHumidity and 'feels like' data
☀️ Weather
(127)
free with in-app purchases
7
MEATER® Smart Meat Thermometer
MEATER® Smart Meat Thermometer
MEATER® Smart Meat Thermometer
Bluetooth & WiFi Thermometer
Free

This app works with a wireless meat thermometer to help you cook meats perfectly. It provides cook time estimates, guided cooking instructions, and notifications when your food is ready. Monitor your food remotely and enjoy perfectly cooked meals every time.

Wireless meat thermometer integrationCook time estimatesGuided Cook™ system
🍔 Food & Drink
(126K)
free
8
The Thermometer -Digital-
The Thermometer -Digital-
The Thermometer -Digital-
Simple Temperature Humidity
Free

This app functions as a digital thermometer and hygrometer, displaying outdoor temperature and humidity for any location worldwide. It offers real-time updates, customizable colors, and unit selection. A premium plan adds multi-location saving and removes ads.

Outdoor temperature and humidity displayReal-time automatic updatesGlobal location data
☀️ Weather
(523)
freemium
9
Indoor Thermometer
Indoor Thermometer
Indoor Thermometer
Indoor temp, outfit & tips
Free

This app provides accurate indoor temperature readings in Celsius and Fahrenheit, along with outdoor weather context. It offers outfit suggestions, seasonal lifestyle tips, and the ability to create and share custom temperature cards with themed wallpapers.

Accurate indoor temperature (°C / °F)Outdoor weather comparisonOutfit and clothing recommendations
☀️ Weather
(1.6K)
ad-supported
10
@Thermometer
@Thermometer
@Thermometer
by Mobiquite
Free

This app provides highly accurate, real-time outdoor temperature readings for your precise location worldwide. It utilizes advanced algorithms and multiple data sources to deliver temperature data to the tenth of a degree, offering various display themes and units.

Most accurate temperature readingsReal-time temperature for precise locationFast location identification
☀️ Weather
(215)
free with in-app purchases
11
Body Temperature App For Fever
Body Temperature App For Fever
Body Temperature App For Fever
Thermometer. Checker. Tracker
Free

Estimate and track body temperature trends to monitor potential fever symptoms. Log data, export reports for healthcare providers, and monitor family members' temperatures. Includes features like heart rate estimation and symptom tracking.

Estimate body temperatureLog and track temperature dataExport data to PDF
🏥 Medical
(22K)
free with in-app purchases
12
Thermometer - Inside & Outside
Thermometer - Inside & Outside
Thermometer - Inside & Outside
Check Room Inside Temperature
Free
☀️ Weather
(2)
13
Windy.com
Windy.com
Windy.com
NOAA Radar, Hurricanes, Alerts
Free

This app offers advanced weather forecasting with over 50 detailed maps and 15 weather models, including live radar, satellite imagery, and hurricane tracking. It provides customizable alerts for storms, wind, and snow, making it ideal for outdoor activities and aviation.

Live weather radar & satelliteOver 50 weather maps15+ weather models
☀️ Weather
(77K)
free with in-app purchases
14
Thermometer - Indoor & Outdoor
Thermometer - Indoor & Outdoor
Thermometer - Indoor & Outdoor
Room Temp Thermometer
Free

This app provides real-time temperature readings for both indoor room environments and outdoor locations worldwide. It offers detailed weather forecasts, including hourly and daily predictions, wind speed, humidity, and sunrise/sunset times. Easily monitor your home comfort or plan your travels with location-based weather information.

Real-time indoor temperature monitoringOutdoor temperature and full weather reportHourly and daily weather forecasts
☀️ Weather
(793)
free with in-app purchases
15
Thermometer.
Thermometer.
Thermometer.
Temperature, humidity.
Free

This application uses your device's location to display the current outside temperature and humidity. It offers readings in both Celsius and Fahrenheit, requiring an internet connection for accurate data.

Displays outside temperatureShows humidity levelsUses GPS or WiFi for location
☀️ Weather
(3)
ad-supported
16
Thermometer º
Thermometer º
Thermometer º
Digital Thermometer
Free

This app displays the current temperature based on your GPS location. It also shows atmospheric pressure, moisture, and city information. A widget provides quick access to temperature, city, and humidity.

Displays current temperatureShows latitude and longitudeIncludes atmospheric pressure
☀️ Weather
(3)
ad-supported
17
Thermometer-Room&Indoor Track
Thermometer-Room&Indoor Track
Thermometer-Room&Indoor Track
Smart Indoor & Outdoor Temps
Free

Monitor indoor and outdoor temperatures in real time with detailed historical data and trend charts. Track temperatures from multiple locations simultaneously and access basic environmental data and converters.

Real-time temperature trackingHistorical data and trend chartsMulti-location monitoring
🔧 Utilities
(255)
free with in-app purchases
18
Thermometer: Body Temperature
Thermometer: Body Temperature
Thermometer: Body Temperature
Fever & Temperature Checker
Free

Estimate body temperature using your smartphone without a physical thermometer. Track heart rate, blood pressure, and sync with Apple Watch for real-time fever alerts. Log custom health data and generate shareable PDF reports.

Temperature estimation without a thermometerApple Watch Series 8 sync for readingsHigh fever alerts
💪 Health & Fitness
(394)
free with in-app purchases
19
Widget Thermometer Pro
Widget Thermometer Pro
Widget Thermometer Pro
Measure outside temperature
$0.99

Quickly view the current outside temperature directly from your home screen. This widget provides the fastest way to check the weather without needing to unlock your device.

External temperature displayHome screen widgetNo device unlock required
☀️ Weather
(4)
paid
20
Thermometer - Outdoor & Indoor
Thermometer - Outdoor & Indoor
Thermometer - Outdoor & Indoor
Room Temperature, Thermometer
Free
🔧 Utilities
(1)

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