Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
36°F
2°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 29.95 in (1014.6 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 21 Mar 1:51 am CDT |
Extended Forecast for
Chicago / Waukegan, Waukegan Regional Airport IL
Overnight

Low: 36 °F
Mostly Cloudy
Saturday

High: 73 °F
Mostly Sunny
Saturday Night
Low: 39 °F
Partly Cloudy
then Patchy
FogSunday

High: 39 °F
Chance Rain
and Patchy
FogSunday Night
Low: 28 °F
Slight Chance
Rain then
Mostly CloudyMonday

High: 40 °F
Sunny
Monday Night

Low: 31 °F
Mostly Cloudy
Tuesday

High: 53 °F
Mostly Cloudy
Tuesday Night

Low: 37 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 36. East wind around 5 mph.
Saturday
Mostly sunny, with a high near 73. East wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 39. Southwest wind 5 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Sunday
A 40 percent chance of rain, mainly before 4pm. Patchy fog before 4pm. Otherwise, mostly cloudy, with a high near 39. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 10 percent chance of rain before 7pm. Mostly cloudy, with a low around 28. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
A chance of showers. Mostly cloudy, with a high near 57.
Thursday Night
Mostly cloudy, with a low around 30.
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
1:11 am CDT Mar 21, 2026
2am CDT Mar 21, 2026-6pm CDT Mar 27, 2026


