National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

43°F

6°C

Humidity 63%
Wind Speed SW 6 mph
Barometer 30.09 in (1019.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 7 Nov 4:51 pm CST
Extended Forecast for

Waukegan IL

  • Tonight

    Tonight: Increasing clouds, with a low around 38. West southwest wind 5 to 15 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 58. West wind around 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. West northwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 57. West wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Southwest wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 38. West southwest wind 5 to 15 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 58. West wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 37. West northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 57. West wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Partly cloudy, with a low around 42. Southwest wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 41.
Veterans Day
Partly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
A chance of rain. Partly sunny, with a high near 49.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Friday
A chance of rain and snow. Partly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.85°W
Last Update:
2:26 pm CST Nov 7, 2026
Forecast Valid:
4pm CST Nov 7, 2026-6pm CST Nov 14, 2026
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation