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

73°F

23°C

Humidity 41%
Wind Speed N 9 mph
Barometer 29.82 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Mar 4:55 pm CDT
Extended Forecast for

Joliet IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. North wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. East wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 60. Breezy, with a southwest wind 10 to 20 mph becoming north northeast in the morning. Winds could gust as high as 30 mph.

    High: 60 °F

    Mostly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 32 °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 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. North wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.
Saturday
Mostly sunny, with a high near 74. East wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 54. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 60. Breezy, with a southwest wind 10 to 20 mph becoming north northeast in the morning. Winds could gust as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 32. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 54.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
A chance of showers. Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Joliet IL
 41.53°N 88.14°W
Last Update:
4:06 pm CDT Mar 20, 2026
Forecast Valid:
5pm CDT Mar 20, 2026-6pm CDT Mar 27, 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