Ever planned a beach day only to get absolutely destroyed by a thunderstorm? Ever planned a hike only to realise you forgot suncream and a cap?
Yeah, us too. That's why we built SunDay.
SunDay is the weather event planner that lets you see the forecast for dates months in the future — so you can stop guessing and start living your best outdoor life.
How it works: Planning a zoo visit in July? A hiking trip in October? A wedding next spring, and you really, REALLY need it not to rain? Just add the event, pick a date and location, and SunDay will analyse decades of historical climate data to give you a weather estimate. As your event gets closer, the forecast automatically upgrades to real-time meteorological data. Science!
Features that slap:
- Long-range weather predictions — plan weeks, months, or even a year ahead
- Smart forecasts that refine themselves as the date approaches (they grow up so fast)
- Timely reminders so you're not caught in the rain without an umbrella… again
- Beautiful calendar & list views to keep your outdoor life organised
- Share events with friends — because misery loves company, but sunshine loves it more
- Export & import your data — your events, your rules
- Dark mode for the night owls and light mode for the morning people (we don't judge)
Available in English, Dutch, German, French, and Spanish
Privacy first: Your data stays on YOUR device. We don't track your location, sell your data, or do anything sketchy—pinky promise.
Eco-conscious: We even gently discourage unnecessary forecast refreshes to reduce data centre energy consumption. You're welcome, planet Earth.
Who is SunDay for?
- Hikers who've been betrayed by "partly cloudy"
- Parents planning zoo trips who refuse to accept "we'll see"
- Wedding planners with anxiety
- Festival-goers who learned the hard way that mud is not a feature
- Anyone who has ever said, "I'll check the weather closer to the date" and then forgotten.
Stop gambling with the weather. Download SunDay and plan with confidence — or at least plan with a really good forecast.
Every day can be a SunDay.