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

81°F

27°C

Humidity 44%
Wind Speed SE 10 mph
Barometer 29.97 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 11 Sep 2:15 pm CDT
Extended Forecast for

Joliet IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 82. Southeast wind around 10 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. East southeast wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63. North northwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 79. North wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 82. Southeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 65. East southeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 86. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 63. North northwest wind around 5 mph, with gusts as high as 10 mph.
Sunday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 79. North wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 57.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 76.
Monday Night
Mostly cloudy, with a low around 67.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87.
Tuesday Night
Showers likely, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66.
Wednesday
Showers likely. Mostly cloudy, with a high near 78.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 64.
Thursday
A chance of showers. Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Joliet IL
 41.52°N 88.11°W
Last Update:
1:21 pm CDT Sep 11, 2026
Forecast Valid:
2pm CDT Sep 11, 2026-6pm CDT Sep 17, 2026
 
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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