Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Overcast
39°F
4°C
| Humidity | 60% |
| Wind Speed | W 8 mph |
| Barometer | 29.97 in (1016.2 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 18 Mar 3:51 pm CDT |
Extended Forecast for
Winthrop Harbor IL
Tonight
Low: 33 °F
Mostly Cloudy
then Chance
RainThursday
High: 42 °F
Chance Rain
then Mostly
SunnyThursday Night

Low: 35 °F
Mostly Cloudy
Friday

High: 54 °F
Mostly Cloudy
Friday Night

Low: 38 °F
Mostly Cloudy
Saturday

High: 60 °F
Partly Sunny
Saturday Night

Low: 40 °F
Mostly Cloudy
Sunday

High: 48 °F
Mostly Cloudy
Sunday Night

Low: 29 °F
Mostly Cloudy
Detailed Forecast
Tonight
A 30 percent chance of rain, mainly after 2am. Increasing clouds, with a low around 33. West wind around 5 mph.
Thursday
A 30 percent chance of rain, mainly before 8am. Partly sunny, with a high near 42. North wind around 5 mph becoming southeast in the morning.
Thursday Night
Mostly cloudy, with a low around 35. Northeast wind around 5 mph becoming southwest after midnight.
Friday
Mostly cloudy, with a high near 54. Southwest wind 5 to 10 mph becoming northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 38. Northwest wind around 5 mph.
Saturday
Partly sunny, with a high near 60. Northwest wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
Mostly cloudy, with a low around 40. Southwest wind around 10 mph becoming north after midnight.
Sunday
Mostly cloudy, with a high near 48. North wind around 15 mph.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 51.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Winthrop Harbor IL
42.49°N 87.81°W (Elev. 600 ft)
42.49°N 87.81°W (Elev. 600 ft)
2:57 pm CDT Mar 18, 2026
4pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026



