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

45°F

7°C

Humidity 51%
Wind Speed SE 3 mph
Barometer 30.18 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 25 Mar 1:55 am CDT
Extended Forecast for

Joliet IL

  • Overnight

    Overnight: Partly cloudy, with a low around 37. Southeast wind around 5 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly between 10pm and 4am. Mostly cloudy, with a low around 54. South wind 5 to 10 mph.

    Low: 54 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely after 1pm. Increasing clouds, with a high near 79. South wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.

    High: 79 °F

    Mostly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 32. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Breezy.
    Chance
    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Southeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 71. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly between 10pm and 4am. Mostly cloudy, with a low around 54. South wind 5 to 10 mph.
Thursday
Showers and thunderstorms likely after 1pm. Increasing clouds, with a high near 79. South wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 32. Breezy, with a north northeast wind around 20 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 45.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 74.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Tuesday
A chance of showers. Mostly cloudy, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Joliet IL
 41.53°N 88.14°W
Last Update:
1:15 am CDT Mar 25, 2026
Forecast Valid:
2am CDT Mar 25, 2026-6pm CDT Mar 31, 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