Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Overcast
42°F
6°C
| Humidity | 79% |
| Wind Speed | W 10 mph |
| Barometer | 29.87 in (1011.5 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 7 Mar 6:51 pm CST |
Extended Forecast for
Winthrop Harbor IL
Tonight

Low: 36 °F
Decreasing
CloudsSunday
High: 58 °F
Sunny and
Breezy then
SunnySunday Night

Low: 46 °F
Mostly Clear
Monday

High: 62 °F
Sunny
Monday Night

Low: 43 °F
Mostly Clear
Tuesday
High: 54 °F
Mostly Sunny
then Chance
RainTuesday Night

Low: 38 °F
Rain
Wednesday
High: 43 °F
Rain then
Chance
Rain/SnowWednesday Night
Low: 28 °F
Chance Snow
then Partly
Cloudy
Detailed Forecast
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West wind 10 to 15 mph.
Sunday
Sunny, with a high near 58. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 62. Southwest wind 5 to 15 mph.
Monday Night
Mostly clear, with a low around 43. South wind 5 to 10 mph becoming north in the evening.
Tuesday
A 50 percent chance of rain and thunderstorms after noon. Increasing clouds, with a high near 54. Northeast wind around 10 mph.
Tuesday Night
Rain and possibly a thunderstorm. Low around 38. North wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain before noon, then a chance of rain and snow. High near 43. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 30 percent chance of snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 41.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 52.
Friday Night
Partly cloudy, with a low around 30.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 39.
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)
6:02 pm CST Mar 7, 2026
7pm CST Mar 7, 2026-6pm CDT Mar 14, 2026


