See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
19°
Mostly Cloudy
Feels Like: 11°
Min: 17°
Max: 21°
The next few hours will be overcast, with today reaching 21°C and dropping to 12°C. The coming days will be mostly clear throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:38
Sunrise
18:51
Sunset
Moon
Waxing Crescent
12:38
Moonrise
20:52
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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UV Index
Humidity
Weather in Wilmette today, September 16, 2026
Cloud cover dominates in Wilmette on September 16, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. The first half of the day looks overcast, as cloud amounts reach about 100% around 05:00. Brighter weather, if it comes, waits until later.
The day peaks near 21°C and cools toward 17°C. Expect humidity between 48% and 96%, most humid near 05:00. Airflow remains manageable, reaching about 3.4 km/h around 08:00.
Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 14.2 km, though it can fall to 7.6 km. The sun rises at 06:38 and sets at 18:51, for a total of 12 hours 13 minutes of sunlight today.
Taken together, overcast skies in Wilmette on September 16, 2026 favour indoor or covered options, with temperatures near 21°C.
Frequently asked questions about weather in Wilmette
How warm does it get in Wilmette?
The warmest month in Wilmette is July, with average high temperatures of 27°C. The average temperature during this period is around 23°C.
How cold does it get in Wilmette?
The coldest month in Wilmette is January, with average low temperatures of -5°C. The average temperature during this period is around -3°C.
What is the wettest time of year in Wilmette?
The wettest month in Wilmette is May, with an average of 121mm of precipitation.
What is the driest time of year in Wilmette?
The driest month in Wilmette is February, with an average of 56mm of precipitation.
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