Your personal weather forecaster for the mountains

OpenSummit App Mockup

Weather Forecast

Hourly lightning, precipitation, temperature, and wind forecasts for mountain locations across the United States.


Create a wishlist of future objectives or find nearby mountains on your Basecamp.

Find Your Mountain

Search for the latest forecast and find the mountain’s location with the Explore map view.

We Love Feedback

Please help us improve the app by sending feedback to [email protected]

Don't get stuck in the rain, go ALL-ACCESS

Detailed forecasts for the next two days are free and you can view the 3-5 day forecast by upgrading to All-Access. This valuable weather information will help you make well-informed, timely decisions on your next hiking, climbing, or mountain biking adventure. It’s good for 365 days and provides free access to future upgrades.
Become an early supporter for only $19.99/year via in-app purchase

Download for FREE!

Download from the App Store
Android coming at a later date.