See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:26
Sunrise
19:10
Sunset
Moon
Waxing Gibbous
18:40
Moonrise
05:42
Moonset
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Air Quality Data Available
Upgrade to access real-time air quality data for Rupperswil.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Rupperswil.
View stargazing scoreWeather in Rupperswil tomorrow, September 26, 2026
Expect reduced visibility in Rupperswil on September 26, 2026 where fog patches form. Allow more time for morning journeys if the air stays thick. Expect a grey start, with morning cloud around 69% by 08:00. Outdoor plans early on should not rely on bright skies.
Temperatures climb from an overnight low near 7°C toward a daytime high of about 26°C. Relative humidity sits between 34% and 100%, reaching its peak around 05:00. Expect gentle winds, highest near 14:00 at 1.3 km/h.
Expect a more open afternoon, with limited cloud around 48% by 13:00. Residual damp risk should be lower than earlier. Horizontal visibility sits around 24.9 km, briefly nearer 1.6 km. Daylight runs from 07:27 to 19:08, lasting 11 hours 40 minutes of sunlight today.
Overall, Rupperswil on September 26, 2026 needs patience with visibility, especially early, even as temperatures reach about 26°C.
Frequently asked questions about weather in Rupperswil
How warm does it get in Rupperswil?
The warmest month in Rupperswil is July, with average high temperatures of 25°C. The average temperature during this period is around 20°C.
How cold does it get in Rupperswil?
The coldest month in Rupperswil is January, with average low temperatures of -1°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Rupperswil?
The wettest month in Rupperswil is June, with an average of 139mm of precipitation.
What is the driest time of year in Rupperswil?
The driest month in Rupperswil is February, with an average of 70mm of precipitation.
Explore more weather forecasts
- Aarau, Kanton Aargau
- Zürich, Kanton Zürich
- Wohlen, Kanton Aargau
- Genève, Canton de Genève
- Baden, Kanton Aargau
- Basel, Kanton Basel-Stadt
- Wettingen, Kanton Aargau
- Lausanne, Canton de Vaud
- Oftringen, Kanton Aargau
- Bern, Canton de Berne
- Spreitenbach, Kanton Aargau
- Winterthur, Kanton Zürich
- Zofingen, Kanton Aargau
- Luzern, Kanton Luzern
- Rheinfelden, Kanton Aargau
- Sankt Gallen, Kanton St. Gallen
