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19°
Mostly Clear
Feels Like: 20°
Min: 8°
Max: 20°
The next few hours will be partly cloudy, with today reaching 20°C and dropping to 9°C. The coming days will be light rain
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:23
Sunrise
19:08
Sunset
Moon
Waxing Gibbous
18:38
Moonrise
05:39
Moonset
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
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Saturday
Sunday
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View stargazing scoreWeather in Illnau today, September 25, 2026
Sunshine leads the day in Illnau on September 25, 2026, with a patch of cloud building near 13:00. The broader outlook stays fair despite that temporary thickening.
Expect highs of 20°C and cooler readings close to 8°C. The air stays humid, with relative humidity between 30% and 80% and the peak around 23:00. A lighter breeze peaks around 14:00 near 2.2 km/h.
Through the afternoon skies look more workable, with cloud near 33% around 13:00. Later outdoor plans have a clearer window than the morning may have suggested. Expect visibility around 16.1 km. Sunrise is at 07:23 and sunset at 19:08, giving 11 hours 44 minutes of sunlight today.
Taken together, settled sunshine in Illnau on September 25, 2026 makes outdoor timing easier, with highs near 20°C.
Frequently asked questions about weather in Illnau
How warm does it get in Illnau?
The warmest month in Illnau 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 Illnau?
The coldest month in Illnau is January, with average low temperatures of -1°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Illnau?
The wettest month in Illnau is May, with an average of 128mm of precipitation.
What is the driest time of year in Illnau?
The driest month in Illnau is February, with an average of 70mm of precipitation.
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