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

36°F

2°C

Humidity 73%
Wind Speed S 9 mph
Barometer 29.84 in (1011.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 9 Feb 11:51 pm CST
Extended Forecast for

Waukegan IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. Northwest wind around 10 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 25. Northwest wind around 10 mph.
Wednesday
Mostly sunny, with a high near 35. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 23. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Thursday
Mostly cloudy, with a high near 36.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly cloudy, with a high near 41.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Mostly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 29.
Washington's Birthday
Mostly cloudy, with a high near 43.
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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:
12:21 am CST Feb 10, 2026
Forecast Valid:
12am CST Feb 10, 2026-6pm CST Feb 16, 2026
 
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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