See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
20°
Overcast
Feels Like: 13°
Min: 16°
Max: 25°
The next few hours will be overcast, with today reaching 25°C and dropping to 13°C. The coming days will be hazy in the morning.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:40
Sunrise
18:53
Sunset
Moon
Waxing Crescent
12:39
Moonrise
20:54
Moonset
Daily Forecast
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Thursday
Friday
Saturday
Sunday
Monday
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Friday
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Weather in Wheaton today, September 16, 2026
Expect a muted, overcast feel in Wheaton on September 16, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The morning sky stays heavily clouded, with cover near 100% around 04:00. Grey conditions set the early tone before any later change.
Temperatures climb from an overnight low near 16°C toward a daytime high of about 25°C. Expect humidity between 45% and 93%, most humid near 06:00. A lighter breeze peaks around 08:00 near 4.8 km/h.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.7 km on average, though it can drop toward 13.2 km in thicker cloud or showers. The sun rises at 06:40 and sets at 18:53, for a total of 12 hours 13 minutes of sunlight today.
Overall, Wheaton on September 16, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 25°C.
Frequently asked questions about weather in Wheaton
How warm does it get in Wheaton?
The warmest month in Wheaton is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.
How cold does it get in Wheaton?
The coldest month in Wheaton 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 Wheaton?
The wettest month in Wheaton is May, with an average of 124mm of precipitation.
What is the driest time of year in Wheaton?
The driest month in Wheaton is November, with an average of 55mm of precipitation.
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