10-Day Weather Forecast - Winthrop Harbor, IL

Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 70s. South winds 5 to 10 mph.

Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50. Southwest winds around 5 mph, becoming northwest after midnight.

Mostly cloudy. Highs in the lower 60s. Temperature falling into the mid 50s in the afternoon. Northeast winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon.

Mostly cloudy. Lows in the upper 40s.

Mostly cloudy. Highs in the lower 60s.

Mostly cloudy. Lows in the lower 50s.

Mostly cloudy in the morning, then clearing. Highs in the lower 70s.

Partly cloudy. Lows in the lower 50s.

Partly cloudy. Highs in the upper 60s.

Partly cloudy. Lows in the upper 40s.

Mostly cloudy. Highs in the mid 60s.

Partly cloudy. Low temperature around 56F. Dew point will be around 51F with an average humidity of 80%. Winds will be 9 mph from the S.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 66F. Dew point will be around 56F with an average humidity of 75%. Winds will be 7 mph from the S.

Mostly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 60F. Dew point will be around 57F with an average humidity of 85%. Winds will be 7 mph from the S.

Cloudy. High temperature around 61F. Dew point will be around 61F with an average humidity of 98%. Winds will be 8 mph from the S.

Cloudy. Low temperature around 59F. Dew point will be around 59F with an average humidity of 99%. Winds will be 5 mph from the WSW.