See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
23°
Breezy and Overcast
Feels Like: 16°
Min: 15°
Max: 24°
The next few hours will be overcast, with today reaching 24°C and dropping to 11°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
06:40
Sunrise
18:57
Sunset
Moon
Waxing Crescent
11:43
Moonrise
20:22
Moonset
Daily Forecast
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Wednesday
Thursday
Friday
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Thursday
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Weather in Waupun today, September 15, 2026
Expect a muted, overcast feel in Waupun on September 15, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief.
Temperatures climb from an overnight low near 15°C toward a daytime high of about 24°C. Expect humidity between 66% and 88%, most humid near 13:00. A lighter breeze peaks around 13:00 near 7.1 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 15.8 km, with poorer spells close to 14.4 km. The sun rises at 06:40 and sets at 18:57, for a total of 12 hours 16 minutes of sunlight today.
The practical takeaway for Waupun on September 15, 2026 is a cloudy day that stays usable, just not particularly bright, around 24°C.
Frequently asked questions about weather in Waupun
How warm does it get in Waupun?
The warmest month in Waupun is July, with average high temperatures of 28°C. The average temperature during this period is around 23°C.
How cold does it get in Waupun?
The coldest month in Waupun is January, with average low temperatures of -9°C. The average temperature during this period is around -6°C.
What is the wettest time of year in Waupun?
The wettest month in Waupun is June, with an average of 103mm of precipitation.
What is the driest time of year in Waupun?
The driest month in Waupun is February, with an average of 39mm of precipitation.
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