Synoptic Weather
Rain, waves and air quality
About
Visualize rain patterns with an animated map and access a 16-day forecast for any location. Get detailed sea and air quality information, with widgets for quick access. No sign-up or ads are required.
What's New in Synoptic Weather
1.5
October 9, 2026
You can now zoom with one finger: double tap, hold and drag up or down.
Developer apps
FAQ
What is Synoptic Weather?
Synoptic Weather is a free weather application that provides an animated rain map, a 16-day forecast, sea and wave conditions, and air quality information for any location worldwide. It also offers home and lock screen widgets for quick access to weather data.
Does Synoptic Weather have ads?
No, Synoptic Weather is completely ad-free. The app explicitly states 'No sign-up and no ads' in its description, ensuring an uninterrupted user experience.
How accurate is Synoptic Weather's forecast?
The app utilizes weather data from Open-Meteo and map data from OpenStreetMap. While specific accuracy metrics are not provided, it offers detailed forecasts including temperature, humidity, UV index, and chance of rain.
What devices does Synoptic Weather support?
Synoptic Weather is available on iPhone and Apple Watch. This allows users to check weather information conveniently on their preferred Apple devices.
How often is Synoptic Weather updated?
The latest version of Synoptic Weather is 1.5, which was last updated on October 9, 2026. This indicates a recent update, suggesting ongoing development and maintenance.
Can I see past rain data with Synoptic Weather?
Yes, the animated rain map feature shows six hours of past rain data, allowing you to track recent precipitation patterns. You can use the time slider and play button to review this historical information.
What kind of sea information does Synoptic Weather provide?
Synoptic Weather offers detailed sea and wave information, including wave height, period, direction, and water temperature. This data is beneficial for activities like surfing, swimming, or fishing.
Is Synoptic Weather suitable for children?
Synoptic Weather has an age rating of 4+, making it suitable for children. Its straightforward interface and focus on weather data are generally appropriate for younger users.
