See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
11°
Clear
Feels Like: 14°
Min: 8°
Max: 21°
The next few hours will be mostly clear, with tomorrow reaching 25°C and dropping to 9°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:26
Sunrise
19:11
Sunset
Moon
Waxing Gibbous
18:41
Moonrise
05:43
Moonset
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View stargazing scoreWeather in Willisau tomorrow, September 26, 2026
Sunshine leads the day in Willisau on September 26, 2026, with a patch of cloud building near 03:00. The broader outlook stays fair despite that temporary thickening. The morning looks comparatively open, with cloud near 31% around 03:00. Early outdoor plans have a better chance of staying dry and bright.
The temperature range runs from about 8°C up to 25°C. Moisture in the air spans 33%-85%, with the highest values around 00:00. Winds stay light, near 1.8 km/h by 22:00, so the day feels still more than breezy.
Later hours favour clearer intervals, as cloud stays near 29% around 12:00. The afternoon is the better half for outdoor time. Horizontal visibility sits around 39.9 km, briefly nearer 28.6 km. Daylight runs from 07:28 to 19:08, lasting 11 hours 40 minutes of sunlight today.
Overall, Willisau on September 26, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 25°C.
Frequently asked questions about weather in Willisau
How warm does it get in Willisau?
The warmest month in Willisau is July, with average high temperatures of 23°C. The average temperature during this period is around 18°C.
How cold does it get in Willisau?
The coldest month in Willisau is January, with average low temperatures of -2°C. The average temperature during this period is around 0°C.
What is the wettest time of year in Willisau?
The wettest month in Willisau is May, with an average of 173mm of precipitation.
What is the driest time of year in Willisau?
The driest month in Willisau is February, with an average of 91mm of precipitation.
