Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
31°F
-1°C
| Humidity | 79% |
| Wind Speed | NW 6 mph |
| Barometer | 30.14 in (1021.7 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 14 Nov 1:51 am CST |
Extended Forecast for
Grayslake IL
Overnight
Low: 28 °F
Mostly Clear
Saturday
High: 47 °F
Sunny
Saturday Night
Low: 28 °F
Mostly Clear
Sunday
High: 50 °F
Sunny
Sunday Night
Low: 27 °F
Mostly Clear
Monday
High: 52 °F
Sunny
Monday Night
Low: 30 °F
Mostly Clear
Tuesday
High: 54 °F
Sunny
Tuesday Night
Low: 33 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 28. Northwest wind around 5 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 47. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 28. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 50. Calm wind.
Sunday Night
Mostly clear, with a low around 27. Calm wind.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 61.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grayslake IL
42.35°N 88.02°W
42.35°N 88.02°W
1:36 am CST Nov 14, 2026
2am CST Nov 14, 2026-6pm CST Nov 20, 2026
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