See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
22°
Overcast
Feels Like: 21°
Min: 16°
Max: 26°
The next few hours will be overcast, with today reaching 26°C and dropping to 16°C. The coming days will be mostly cloudy throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:29
Sunrise
19:46
Sunset
Moon
Waxing Crescent
12:27
Moonrise
21:13
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
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UV Index
Humidity
Weather in Allegan today, September 15, 2026
Expect a muted, overcast feel in Allegan on September 15, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The first half of the day looks overcast, as cloud amounts reach about 100% around 11:00. Brighter weather, if it comes, waits until later.
Expect highs of 26°C and cooler readings close to 16°C. Expect humidity between 69% and 94%, most humid near 23:00. Winds stay light, near 5.3 km/h by 14:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.8 km on average, though it can drop toward 13.7 km in thicker cloud or showers. Daylight runs from 07:29 to 19:46, lasting 12 hours 16 minutes of sunlight today.
The practical takeaway for Allegan on September 15, 2026 is a cloudy day that stays usable, just not particularly bright, around 26°C.
Frequently asked questions about weather in Allegan
How warm does it get in Allegan?
The warmest month in Allegan 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 Allegan?
The coldest month in Allegan is January, with average low temperatures of -6°C. The average temperature during this period is around -3°C.
What is the wettest time of year in Allegan?
The wettest month in Allegan is May, with an average of 121mm of precipitation.
What is the driest time of year in Allegan?
The driest month in Allegan is November, with an average of 62mm of precipitation.
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