10-Day Weather Forecast - Winthrop Harbor, IL
- 76|61°FMostly SunnyHourly details
Today
76°FMostly sunny. Highs in the upper 70s inland but only in the lower 70s near the lake. Northeast winds 5 to 10 mph.
Tonight
61°FClear. Lows in the lower 60s. North winds 5 to 10 mph.
- 77|67°FSunnyHourly details
Day
77°FSunny. Highs in the lower 80s inland but only in the upper 70s near the lake. Northeast winds around 5 mph.
Night
67°FMostly clear. Lows in the lower 60s. Southeast winds around 5 mph becoming southwest after midnight.
- 81|72°FMostly SunnyHourly details
Day
81°FMostly sunny. Highs in the mid 80s. Southwest winds 5 to 10 mph.
Night
72°FPartly cloudy. Lows in the upper 60s.
- 79|68°F60% Chance of StormsHourly details
Day
79°FMostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Temperature falling into the upper 70s in the afternoon. Chance of precipitation 60 percent.
Night
68°FMostly cloudy. Showers likely with a chance of thunderstorms in the evening then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of precipitation 70 percent.
- 76|66°F40% Chance Rain ShowersHourly details
Day
76°FMostly cloudy with a chance of showers. Highs around 80. Chance of precipitation 40 percent.
Night
66°FPartly cloudy in the evening then becoming mostly cloudy. Lows in the lower 60s.
Weekend Weather
- 78|66°FPartly CloudyHourly details
Day
78°FPartly cloudy in the morning then becoming mostly cloudy. Highs in the lower 80s.
Night
66°FPartly cloudy in the evening then becoming mostly cloudy. Lows in the mid 60s.
- 80|69°FPartly Cloudy
Day
80°FPartly cloudy. Highs in the mid 80s.
Night
69°FClear. Low temperature around 69F. Dew point will be around 67F with an average humidity of 81%. Winds will be 3 mph from the W.
- 79|67°FSunny
Day
79°FSunny. High temperature around 79F. Dew point will be around 67F with an average humidity of 73%. Winds will be 4 mph from the NW.
Night
67°FClear. Low temperature around 67F. Dew point will be around 65F with an average humidity of 80%. Winds will be 4 mph from the NW.
- 78|67°FSunny
Day
78°FSunny. High temperature around 78F. Dew point will be around 64F with an average humidity of 70%. Winds will be 2 mph from the NW.
Night
67°FClear. Low temperature around 67F. Dew point will be around 64F with an average humidity of 79%. Winds will be 2 mph from the W.
- 77|67°F30% Chance of Rain
Day
77°FSunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 77F. Dew point will be around 65F with an average humidity of 72%. Winds will be 2 mph from the W.
Night
67°FMostly clear. Low temperature around 67F. Dew point will be around 64F with an average humidity of 80%. Winds will be 2 mph from the SW.













