SYNTHLUCIDA WEATHER is a free weather forecast web app. Data is loaded in real time from Open‑Meteo for any city in the world.
Current weather
- Temperature, feels-like temperature and a plain-words description of the sky (clear, cloudy, rain, snow, storm…)
- Humidity, precipitation, sunshine, wind (speed, gusts, direction with a compass)
- Air pressure and its trend – including how it may make you feel
- An arc showing where the sun is between sunrise and sunset
- Moon phase, current illumination and the next new/full moon
- When the International Space Station (ISS) will visibly fly over you
Forecast
- Hourly forecast for the next 24 hours with a temperature graph
- 48-hour rain outlook – when it starts, when it stops and how much will fall
- 7-day forecast – tap a day to see precipitation, wind and UV index
- Severe weather warnings – the app flags storms, strong wind, heavy rain or snow, ice, extreme heat/frost and high UV in the coming days
Tips
- What to wear for the current conditions
- Which sports and activities suit the weather (cycling, skating, hiking, camping, mushroom foraging) today and in the days ahead
- Golden and blue hour times for photographers
Controls
- Search any city or use your location with one tap
- Save favourite cities for quick access
- Switch colour themes to suit your taste
- Export data to PDF or CSV (Excel)
The app doesn’t store any personal data on a server – all settings (favourite cities, theme) stay only in your browser.