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Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
71°F
22°C
| Humidity | 68% |
| Wind Speed | E 12 mph |
| Barometer | 30.20 in (1021.9 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 1 Oct 4:51 pm CDT |
Extended Forecast for
Grayslake IL
Tonight
Low: 56 °F
Mostly Cloudy
Thursday
High: 81 °F
Mostly Sunny
Thursday Night
Low: 61 °F
Mostly Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 64 °F
Mostly Clear
Saturday
High: 86 °F
Sunny
Saturday Night
Low: 64 °F
Mostly Clear
Sunday
High: 85 °F
Sunny
Sunday Night
Low: 62 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 56. Southeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 81. Southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 61. Southeast wind around 5 mph becoming south southwest after midnight.
Friday
Sunny, with a high near 87. Southwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 64. South southeast wind around 5 mph.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 62.
Monday
Mostly sunny, with a high near 78.
Monday Night
A chance of showers. Mostly cloudy, with a low around 55.
Tuesday
A chance of showers. Partly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 66.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grayslake IL
42.33°N 88.05°W
42.33°N 88.05°W
4:13 pm CDT Oct 1, 2025
5pm CDT Oct 1, 2025-6pm CDT Oct 8, 2025
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