1Weather Forecasts & Radar: Weather App
1Weather Forecasts & Radar is a weather app by OneLouder Apps that provides hyperlocal forecasts, live radar, and severe weather alerts.
Download 1Weather · v12.9.31Weather Forecasts & Radar serves over 100 million users with minute-by-minute precipitation forecasts, interactive radar maps, and customizable home screen widgets. It is a free app with ads and in-app purchases, requires Android 8.0 or higher, and has a download size not specified in the data.
- Version
- 12.9.3
- Requires Android
- 8.0
- Updated
- Oct 15, 2026
- Installs
- 100M+
- Rating
- ★ 4.29 (1,113,196)
- Category
- Weather
- Developer
- OneLouder Apps
- Content rating
- Everyone
- Package
- com.handmark.expressweather
- Free
- ✓ · Contains ads · In-app purchases
Screenshots
1Weather Forecasts & Radar is a weather application by OneLouder Apps that provides hyperlocal forecasts, live radar mapping, and severe weather alerts for Android devices. The app has been available since January 2012 and has accumulated over 100 million installs, with a current user rating of 4.29 based on more than 1.1 million ratings. It offers a comprehensive suite of weather-related tools, including minute-by-minute precipitation forecasts, hourly and daily predictions, extended 10-day outlooks, and a range of customizable widgets for home screens. The app also integrates air quality index data, pollen counts, and sun and moon tracking features, making it a versatile resource for daily planning and outdoor activities.
The application leverages data from multiple sources, including the National Weather Service (NWS), NOAA, the Storm Prediction Center, Dark Sky, and WDT, to deliver real-time alerts and warnings tailored to user-defined locations. Its interactive radar maps include multiple weather layers, such as rain intensity, surface temperature, dew point, relative humidity, wind speed, and UV index, along with a Future Radar feature to anticipate hazardous conditions like blizzards, sleet, hail, and winter storms. The Health Center section provides up-to-date air quality information and pollen levels, which is particularly useful for individuals with seasonal allergies. Additionally, the app offers weather news updates in concise 60-word summaries and one-minute videos, keeping users informed about breaking weather events.
Version 12.9.3, released on October 15, 2026, introduces an enhanced Minutely Rain & Snow feature for real-time updates, simplified navigation for quicker access to forecasts, and various bug fixes to improve overall performance. The app requires a minimum Android version of 8.0 and includes ads and in-app purchases. It collects certain data, including location, device ID, and call information, which may be shared with partners for personalized advertising, though users can adjust their preferences via the privacy policy. The app supports multiple languages, offers dark and light themes, and allows customization of units, making it adaptable to individual preferences.
Key features
- Hyperlocal forecasts with minute-by-minute precipitation data up to 48 hours in advance
- Interactive radar maps with multiple layers including rain intensity, temperature, dew point, humidity, wind speed, and UV index
- Future Radar feature to track severe weather like blizzards, sleet, hail, and winter storms
- Real-time alerts from NWS, NOAA, Storm Prediction Center, Dark Sky, and WDT
- Air quality index (AQI) and pollen count information in the Health Center
- Customizable home screen widgets in various sizes from 1x1 to 5x2
- Sun and moon tracker with sunrise, sunset, moonrise, moonset, and moon phases
- Weather news updates in 60-word summaries and one-minute videos
- Customizable units, multilingual support, and dark/light themes
- Hourly, daily, weekly, and 10-day extended forecasts
How to install
- Tap the download button on this page to obtain the APK file for the app.
- When Android prompts, allow your browser or file manager to install apps by enabling the 'Install unknown apps' setting in your device's security options.
- Open the downloaded APK file from your notification bar or file manager.
- Tap 'Install' when the installation screen appears, and wait for the process to complete.
- Once installed, tap 'Open' to launch the app, or find its icon on your home screen or app drawer.
- The file size is not specified, and the app requires Android version 8.0 or higher to run.
Pros
- Comprehensive weather data including minute-by-minute forecasts and AQI
- Wide variety of widget sizes for home screen customization
- Real-time alerts from multiple authoritative sources
- Sun and moon tracker useful for stargazers and photographers
- Supports multiple languages and themes for personalization
Cons
- Contains ads and in-app purchases, which may interrupt the experience
- Requires access to sensitive permissions like location, camera, and microphone
- Collects device and call information that may be shared with advertising partners
Recent updates · 12.9.3
Version 12.9.3 adds an enhanced Minutely Rain & Snow feature for more current precipitation details. Navigation is simplified, aiming for faster access to forecasts. General performance improvements come through bug fixes. The update targets smoother overall operation and a more streamlined user experience.
Version history
| Version | Size | Requires Android | Updated |
|---|---|---|---|
| 12.9.3 | — | 8.0 | Oct 15, 2026 |
This app suits outdoor enthusiasts who need detailed forecasts for activities like hiking or camping, commuters who want real-time radar and severe weather alerts, and health-conscious users who monitor air quality and pollen levels for allergies.
Customize the widget size and theme on your home screen to get at-a-glance weather updates without opening the app, and set up alerts for your specific locations to receive timely severe weather warnings.
Permissions
FAQ
How do I install the 1Weather APK on my Android device?
Download the APK file, then open it from your file manager. If prompted, allow installation from unknown sources in your device settings. Follow the on-screen steps to complete the setup.
What is the current version of 1Weather and when was it updated?
The current version is 12.9.3, updated on October 15, 2026. It includes real-time Minutely Rain & Snow updates, simplified navigation, and performance fixes.
Does 1Weather contain ads or in-app purchases?
Yes, the app is free to download but includes ads and offers optional in-app purchases. You can modify your ad personalization choices anytime as described in the privacy policy.
Can I use 1Weather offline?
The app relies on live data for forecasts, radar, and alerts, so an internet connection is generally needed for up-to-date information. Some widgets may display the last loaded data when offline.
Are there other weather apps in the same category?
Yes, many weather apps offer similar features like forecasts, radar maps, and alerts. When comparing, consider factors such as accuracy, interface, widget options, and data sources.
What Android version is required to run 1Weather?
1Weather requires Android 8.0 or higher. It has been available since January 2012 and supports a wide range of devices.
What permissions does 1Weather request?
It requests location, phone, camera, microphone, Wi-Fi connection info, and device ID & call information. These are used for features like personalized alerts and weather reporting.
1Weather Forecasts & Radar offers a robust set of weather tools, from hyperlocal minute-by-minute predictions to interactive radar and health-related data, backed by over a decade of development and a large user base. While the presence of ads and in-app purchases, along with broad permission requests, may give some users pause, its accuracy and feature depth make it a strong choice for anyone seeking a comprehensive weather companion. The latest update improves usability and performance, reinforcing its position as a reliable option in the weather app category.
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Updated: Nov 6, 2026