Winthrop Harbor, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Cloudy 43°F
Feels Like 40°F  
Humidity 89% Dew Point 40°F Wind SSE 5 MPH Gusts 6 Barometer 29.57 in.
Report from a MADIS/MESONET weather station 1.9 mi. SW of central Winthrop Harbor
at

Point Forecast at a Glance

WedDec 17
Wed Dec 17: Showers Likely, Low 40F
60%
 
40
ThuDec 18
Thu Dec 18: Showers, High 48F, Low 12F
90%
48
12
FriDec 19
Fri Dec 19: Mostly Sunny, High 27F, Low 21F
27
21
SatDec 20
Sat Dec 20: Rain And Snow, High 40F, Low 13F
20%
40
13
SunDec 21
Sun Dec 21: Sunny, High 24F, Low 17F
24
17
MonDec 22
Mon Dec 22: Mostly Cloudy, High 38F, Low 33F
38
33
TueDec 23
Tue Dec 23: Mostly Cloudy, High 42F, Low 30F
42
30

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures with a significant drop to 24°F mid-week, recovering to 42°F. Some precipitation possible with wintry mix on at least one day.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 35°F and lows around 21°F.

This Date in Weather History

1957 - A tornado swept across Jackson County, Williamson County and Franklin County in southern Illinois killing eleven persons.

More on this and other weather history

Winthrop Harbor, IL 7 Day Weather Forecast Details

Wednesday Dec 17

Showers Likely

Night: Showers likely with areas of drizzle. Cloudy, with a steady temperature around 40. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Dec 18

Showers

Day: Showers with areas of drizzle before 4pm, then a chance of showers between 4pm and 5pm. Temperature rising to near 48 by 11am, then falling to around 36 during the remainder of the day. Breezy, with a south wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Snow Showers

Night: A 40 percent chance of snow showers, mainly before midnight. Cloudy, with a low around 12. Wind chill values as low as -6. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph.

Friday Dec 19

Mostly Sunny

Day: Mostly sunny, with a high near 27. Wind chill values as low as -7. Blustery, with a west northwest wind 15 to 20 mph becoming west southwest 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 21. South wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday Dec 20

Rain And Snow

Day: A slight chance of snow before noon, then a slight chance of rain and snow between noon and 3pm, then a slight chance of snow after 3pm. Mostly cloudy, with a high near 40. Chance of precipitation is 20%.

Mostly Clear

Night: Mostly clear, with a low around 13.

Sunday Dec 21

Sunny

Day: Sunny, with a high near 24.

Mostly Cloudy

Night: Mostly cloudy, with a low around 17.

Monday Dec 22

Mostly Cloudy

Day: Mostly cloudy, with a high near 38.

Mostly Cloudy

Night: Mostly cloudy, with a low around 33.

Tuesday Dec 23

Mostly Cloudy

Day: Mostly cloudy, with a high near 42.

Mostly Cloudy

Night: Mostly cloudy, with a low around 30.

Wednesday Dec 24

Mostly Cloudy

Day: Mostly cloudy, with a high near 40.


About Winthrop Harbor, IL

Winthrop Harbor is a village in Lake County, Illinois, United States. Winthrop Harbor is considered the corner stone of Illinois. Per the 2020 census, the population was 6,705. It is located along the northern border of Illinois and is part of the Chicago metropolitan area. Winthrop Harbor is known for its North Point Marina, and is a warning demarcation point for the National Weather Service's marine warnings for Lake Michigan.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.