Tempest Almanac
Your Weather. Your History.
$4.99
See what your Tempest remembers. Discover records, streaks, trends, comparisons, charts, and insights from your own weather history.
Your Tempest has been collecting your weather. Tempest Almanac helps you explore it.
Tempest Almanac is designed exclusively for owners of a Tempest Weather System. Connect your personal Tempest account and turn your station’s weather data into a detailed personal weather almanac.
Go beyond current conditions and forecasts. Look back at what happened at your own weather station today, this month, this year, or throughout its available history. Discover records, compare seasons, explore trends, and see how today measures up against the weather you’ve experienced before.
Explore your weather:
• View current conditions from your Tempest station
• Explore temperature, humidity, pressure, wind, rain, UV, solar radiation, and lightning data
• Rediscover past weather with On This Day
• Review daily, monthly, and yearly summaries
• Compare conditions with historical averages
• Explore interactive temperature, pressure, wind, and rainfall graphs
• Discover your personal temperature and rainfall records
• Track hot days, freeze days, and rain days
• Compare days, months, and years side by side
• Stay connected with Apple Watch, widgets, and complications
• Customize units and weather thresholds
Try it before connecting
Demo Mode provides sample weather history so you can explore Tempest Almanac’s summaries, records, comparisons, and graphs without connecting a Tempest station.
Your data stays yours
Tempest Almanac uses your Tempest Personal Access Token to retrieve weather information associated with your station. Your token is stored securely in Apple’s Keychain and is not collected by the developer.
Requirements
A Tempest Weather System and Tempest account are required to use Tempest Almanac with your own weather data.
Tempest Almanac is an independent application and is not affiliated with or endorsed by WeatherFlow-Tempest.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• New Weather Calendar — explore your station history day by day and quickly spot notable weather events.
• Almanac Notes highlight interesting events and insights from your weather history.
• Expanded Records with Top 10 lists and more detail for temperature drops.
• Improved summaries and historical data loading.
• Additional refinements and bug fixes.
The developer, Rick Brown, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Rick Brown
- Size
- 7.8 MB
- Category
- Weather
- Compatibility
Requires iOS 26.5 or later.
- iPhone
Requires iOS 26.5 or later. - Apple Watch
Requires watchOS 26.5 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Rick Brown II
