10-Day Weather Forecast - Winthrop Harbor, IL

Mostly cloudy in the morning then clearing. Highs in the lower 60s inland but only in the upper 50s near the lake. South winds 5 to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. Southwest winds around 10 mph.

Mostly cloudy. A chance of showers mainly in the morning. Highs in the mid 50s inland but only around 50 near the lake. Temperature falling into the lower 40s in the afternoon. North winds 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation 30 percent.

Mostly cloudy. Lows in the lower 30s.

Partly cloudy. Highs in the mid 40s inland but only around 40 near the lake.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s.

Mostly cloudy. Highs in the lower 50s.

Mostly cloudy. Lows in the mid 30s.

Mostly cloudy in the morning then becoming partly cloudy. Highs around 50.

Mostly cloudy in the evening then becoming partly cloudy. Near steady temperature in the lower 40s.

Partly cloudy in the morning then becoming mostly cloudy. Highs in the upper 50s.

Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 27F. Dew point will be around 30F with an average humidity of 58%. Winds will be 11 mph from the N.

Mostly cloudy. High temperature around 39F. Dew point will be around 19F with an average humidity of 53%. Winds will be 9 mph from the N.

Partly cloudy. Low temperature around 25F. Dew point will be around 17F with an average humidity of 60%. Winds will be 2 mph from the NE.

Partly cloudy. High temperature around 44F. Dew point will be around 20F with an average humidity of 49%. Winds will be 3 mph from the S.

Partly cloudy. Low temperature around 29F. Dew point will be around 22F with an average humidity of 63%. Winds will be 2 mph from the SW.

Mostly cloudy. High temperature around 43F. Dew point will be around 26F with an average humidity of 62%. Winds will be 4 mph from the E.

Cloudy. Low temperature around 32F. Dew point will be around 27F with an average humidity of 72%. Winds will be 4 mph from the E.