WhenCast: Activity Forecast
Run, BBQ & Car Wash Weather
Free · In-App Purchases · Designed for iPad. Not verified for macOS.
Stop guessing. Get an instant YES / NO / WAIT for runs, BBQs, car washes & 15+ outdoor activities — based on live weather. Free trial inside.
Stop guessing the weather. WhenCast tells you exactly when to do your outdoor activities.
Open the app, pick your activity, and get an instant YES, NO, or WAIT recommendation based on real-time weather conditions. No more checking temperature, wind, and rain separately.
HOW IT WORKS
1. Choose an activity (Run, BBQ, Car Wash, Paint, Dog Walk...)
2. Get an instant YES / NO / WAIT decision
3. See the best time window in the next 24 hours
4. Customize your personal comfort thresholds
20+ SUPPORTED ACTIVITIES
Free:
- Running and Jogging
- Car Wash
- BBQ and Grilling
Pro:
- Outdoor Painting
- Dog Walking
- Laundry Drying
- Plant Watering
- Photography Golden Hour
- Allergy and Pollen Alerts
- Frost Warnings
- Rain Incoming Alerts
- Air Quality Monitoring
- And more
SMART DECISION ENGINE
WhenCast analyzes multiple weather parameters simultaneously including temperature, wind speed, precipitation probability, humidity levels, pollen index, and UV index.
CUSTOMIZE YOUR COMFORT
Set your own thresholds for each activity. Too cold to run? Set your minimum temperature. Too windy for painting? Adjust wind limits.
MULTI-LOCATION
Check weather decisions for any saved location. Planning a weekend trip? Check conditions at your destination.
Powered by Apple WeatherKit for accurate real-time forecasts.
Subscription info: WhenCast Pro is available as monthly or annual auto-renewable subscription. Cancel anytime.
Terms: https://mergisi.github.io/whencast-weather/terms-of-service.html
Privacy: https://mergisi.github.io/whencast-weather/privacy-policy.html
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
• Clearer pricing — see exactly what you'll pay before you subscribe
• Faster, more reliable Restore Purchases
• Performance and stability improvements
The developer, Mustafa Ergisi, 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
- Provider
- Mustafa Ergisi
- Size
- 9 MB
- Category
- Weather
- Compatibility
Requires iOS 18.5 or later.
- iPhone
Requires iOS 18.5 or later. - iPad
Requires iPadOS 18.5 or later. - Mac
Requires macOS 15.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.5 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- WhenCast Weather USD 17.99
- WhenCast Weather USD 3.99
- Copyright
- © 2025 WhenCast Weather Inc. All rights reserved.