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.

Mostly Cloudy

50°F

10°C

Humidity 83%
Wind Speed W 10 mph
Barometer 29.73 in (1006.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 5 Nov 8:51 am CST
Extended Forecast for

Waukegan IL

  • Today

    Today: Areas of drizzle with scattered showers between noon and 3pm, then showers likely with areas of drizzle after 3pm. Cloudy, with a high near 51. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Patchy
    Drizzle then
    Showers
    Likely

  • Tonight

    Tonight: Showers likely with areas of drizzle before 9pm, then areas of drizzle with scattered showers between 9pm and midnight. Cloudy, with a low around 38. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Showers
    Likely and
    Breezy then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 48 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. Northwest wind 5 to 15 mph.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51. West northwest wind around 5 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Areas of drizzle with scattered showers between noon and 3pm, then showers likely with areas of drizzle after 3pm. Cloudy, with a high near 51. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely with areas of drizzle before 9pm, then areas of drizzle with scattered showers between 9pm and midnight. Cloudy, with a low around 38. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 48. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 33. Northwest wind 5 to 15 mph.
Saturday
Sunny, with a high near 51. West northwest wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 41.
Veterans Day
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.85°W
Last Update:
9:01 am CST Nov 5, 2026
Forecast Valid:
9am CST Nov 5, 2026-6pm CST Nov 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation