Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

32°F

0°C

Humidity 75%
Wind Speed NE 7 mph
Barometer 30.25 in (1026.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 12 Feb 2:51 pm CST
Extended Forecast for

Winthrop Harbor IL

  • Tonight

    Tonight: Partly cloudy, with a low around 27. East wind around 5 mph becoming south after midnight.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 47. Southwest wind 5 to 15 mph.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. West wind around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 45. Calm wind becoming south around 5 mph in the afternoon.

    High: 45 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. South wind around 5 mph becoming west after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 47. West wind around 5 mph becoming north in the afternoon.

    High: 47 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. North wind around 5 mph becoming south after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 50. South wind 5 to 10 mph.

    High: 50 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 27. East wind around 5 mph becoming south after midnight.
Friday
Sunny, with a high near 47. Southwest wind 5 to 15 mph.
Friday Night
Mostly clear, with a low around 31. West wind around 5 mph.
Saturday
Partly sunny, with a high near 45. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 34. South wind around 5 mph becoming west after midnight.
Sunday
Sunny, with a high near 47. West wind around 5 mph becoming north in the afternoon.
Sunday Night
Mostly cloudy, with a low around 33. North wind around 5 mph becoming south after midnight.
Washington's Birthday
Partly sunny, with a high near 50. South wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Mostly cloudy, with a high near 49.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42.
Wednesday
A 40 percent chance of rain. Mostly sunny, with a high near 53.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 33.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.49°N 87.81°W (Elev. 600 ft)
1:31 pm CST Feb 12, 2026
3pm CST Feb 12, 2026-6pm CST Feb 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database