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.

Mostly Cloudy

66°F

19°C

Humidity 90%
Wind Speed NE 3 mph
Barometer 30.08 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 Oct 11:15 am CDT
Extended Forecast for

Joliet IL

  • Today

    Today: A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 65. Northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 65 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 57. Northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain likely, then rain and possibly a thunderstorm after 1pm. High near 62. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Rain Likely
    then Rain

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 49. South wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 49 °F

    Rain Likely

  • Friday

    Friday: A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 56. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph.

    High: 56 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 65. Northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 57. Northeast wind around 10 mph, with gusts as high as 15 mph.
Thursday
Rain likely, then rain and possibly a thunderstorm after 1pm. High near 62. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 49. South wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Friday
A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 56. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph.
Friday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 56.
Saturday Night
Clear, with a low around 40.
Sunday
Sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Partly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Joliet IL
 41.52°N 88.11°W
Last Update:
9:26 am CDT Oct 14, 2026
Forecast Valid:
11am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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