See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
21°
Light Rain
Feels Like: 11°
Min: 15°
Max: 24°
The next few hours will be overcast, with today reaching 24°C and dropping to 12°C. The coming days will be mostly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:40
Sunrise
18:52
Sunset
Moon
Waxing Crescent
12:38
Moonrise
20:55
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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UV Index
Humidity
Weather in Joliet today, September 16, 2026
Cloud cover dominates in Joliet on September 16, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Cloud leads the morning, peaking close to 100% near 05:00. Sunshine has little room until later in the day.
The day peaks near 24°C and cools toward 15°C. Expect humidity between 68% and 96%, most humid near 09:00. A lighter breeze peaks around 06:00 near 4.5 km/h.
Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 12.7 km, though it can fall to 3.1 km. The sun rises at 06:40 and sets at 18:52, for a total of 12 hours 12 minutes of sunlight today.
Taken together, overcast skies in Joliet on September 16, 2026 favour indoor or covered options, with temperatures near 24°C.
Frequently asked questions about weather in Joliet
How warm does it get in Joliet?
The warmest month in Joliet 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 Joliet?
The coldest month in Joliet 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 Joliet?
The wettest month in Joliet is May, with an average of 127mm of precipitation.
What is the driest time of year in Joliet?
The driest month in Joliet is November, with an average of 58mm of precipitation.
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