National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Fair

43°F

6°C

Humidity 77%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 19 Mar 11:15 pm CDT
Extended Forecast for

Joliet IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Southeast wind around 5 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. Northeast wind 5 to 10 mph.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. Southeast wind around 5 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.
Friday
Partly sunny, with a high near 65. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 39. Northeast wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 67. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 51. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
A chance of showers. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Joliet IL
 41.55°N 88.14°W
Last Update:
9:11 pm CDT Mar 19, 2026
Forecast Valid:
11pm CDT Mar 19, 2026-6pm CDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation