10-Day Weather Forecast - Winthrop Harbor, IL

Mostly cloudy in the morning then clearing. Blustery with highs in the lower 20s. West winds 15 to 20 mph. Gusts up to 35 mph in the morning.

Mostly cloudy. Lows around 20. Temperature rising into the upper 20s after midnight. South winds 5 to 10 mph increasing to 10 to 15 mph with gusts up to 25 mph after midnight.

Mostly cloudy. Highs around 40. Southwest winds 10 to 15 mph with gusts up to 25 mph becoming west in the afternoon.

Mostly clear. Lows around 14. West winds 10 to 15 mph with gusts up to 25 mph.

Sunny. Highs in the mid 20s.

Partly cloudy in the evening then becoming mostly cloudy. Near steady temperature around 20.

Mostly cloudy. Highs in the upper 30s.

Mostly cloudy. Near steady temperature in the mid 30s.

Mostly cloudy. Highs in the mid 40s.

Mostly cloudy. Lows in the lower 30s.

Mostly cloudy. Highs in the mid 40s.

Mostly cloudy. A chance of rain in the evening. Near steady temperature in the upper 30s. Chance of precipitation 30 percent.

Mostly cloudy. Highs in the upper 40s.

Cloudy. Low temperature around 41F. Dew point will be around 41F with an average humidity of 80%. Winds will be 8 mph from the W.

Cloudy. High temperature around 46F. Dew point will be around 35F with an average humidity of 72%. Winds will be 2 mph from the NW.

Partly cloudy. Low temperature around 38F. Dew point will be around 35F with an average humidity of 78%. Winds will be 2 mph from the E.

Mostly cloudy. High temperature around 43F. Dew point will be around 32F with an average humidity of 72%. Winds will be 4 mph from the NE.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 35F. Dew point will be around 30F with an average humidity of 75%. Winds will be 6 mph from the NE.