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

83°F

28°C

Humidity 55%
Wind Speed NE 12 mph
Barometer 30.04 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 6 Jul 5:15 pm CDT
Extended Forecast for

Joliet IL

  • Tonight

    Tonight: Mostly clear, with a low around 62. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Calm wind becoming north around 5 mph in the morning.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. East northeast wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 83.

    High: 83 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 62. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 85. Calm wind becoming north around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 63. East northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Wednesday Night
Mostly clear, with a low around 68. South southwest wind around 5 mph, with gusts as high as 10 mph.
Thursday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Friday
A chance of showers. Mostly cloudy, with a high near 83.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 65.
Saturday
A chance of showers after 1pm. Partly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Joliet IL
 41.53°N 88.14°W
Last Update:
4:26 pm CDT Jul 6, 2026
Forecast Valid:
5pm CDT Jul 6, 2026-6pm CDT Jul 13, 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