Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
42°F
6°C
| Humidity | 76% |
| Wind Speed | NE 6 mph |
| Barometer | 29.93 in (1013.9 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 38°F (3°C) |
| Last update | 20 Mar 7:51 pm CDT |
Extended Forecast for
Chicago / Waukegan, Waukegan Regional Airport IL
Tonight

Low: 36 °F
Mostly Cloudy
Saturday

High: 66 °F
Decreasing
CloudsSaturday Night

Low: 43 °F
Partly Cloudy
Sunday

High: 45 °F
Slight Chance
RainSunday Night

Low: 30 °F
Mostly Cloudy
Monday

High: 41 °F
Mostly Sunny
Monday Night

Low: 32 °F
Partly Cloudy
Tuesday

High: 52 °F
Mostly Cloudy
Tuesday Night

Low: 34 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 36. East wind around 5 mph, with gusts as high as 10 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 66. East wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 43. Southwest wind 5 to 15 mph becoming north after midnight.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 45. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 30. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly cloudy, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
A chance of showers. Mostly cloudy, with a high near 62.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 41.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Chicago / Waukegan, Waukegan Regional Airport IL
42.41°N 87.87°W
42.41°N 87.87°W
7:56 pm CDT Mar 20, 2026
8pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026


