Weather forecast in Winthrop Harbor (IL)

This data display current weather and forecast for the coming days in Winthrop Harbor. In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.

Winthrop Harbor current temperature and weather

November 27, 2025

Night
28.2°F Feels like: 14.9°F	Overcast
	Wind: 21.3 mph (34.2 Km/h) W Pressure: 30.09 inHg (1019 hPa) Humidity: 69%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0
Morning
27°F Feels like: 12.2°F	Sunny
	Wind: 18.6 mph (29.9 Km/h) W Pressure: 30.18 inHg (1022 hPa) Humidity: 73%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0.4
Day
33.6°F Feels like: 20.8°F	Sunny
	Wind: 19.7 mph (31.7 Km/h) NW Pressure: 30.18 inHg (1022 hPa) Humidity: 58%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0.3
Evening
29.1°F Feels like: 15.8°F	Clear
	Wind: 16.8 mph (27 Km/h) NW Pressure: 30.23 inHg (1024 hPa) Humidity: 66%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0

Marine weather forecast Winthrop Harbor

The graphs show wave heights and directions, as well as wind speed and direction in Winthrop Harbor for the coming days. Click on the sea state chart for more details

In order for you to be able to estimate what the weather is like in Winthrop Harbor throughout the year, we provide monthly data for the last few years. Select the month you are interested in.

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Our report for Winthrop Harbor is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.