10-Day Weather Forecast - Winthrop Harbor, IL

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  • 76|61°F
    Mostly Sunny

    Today

    76°F

    Mostly sunny. Highs in the upper 70s inland but only in the lower 70s near the lake. Northeast winds 5 to 10 mph.

    Tonight

    61°F

    Clear. Lows in the lower 60s. North winds 5 to 10 mph.

    Hourly details
  • 77|67°F
    Sunny

    Day

    77°F

    Sunny. Highs in the lower 80s inland but only in the upper 70s near the lake. Northeast winds around 5 mph.

    Night

    67°F

    Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph becoming southwest after midnight.

    Hourly details
  • 81|72°F
    Mostly Sunny

    Day

    81°F

    Mostly sunny. Highs in the mid 80s. Southwest winds 5 to 10 mph.

    Night

    72°F

    Partly cloudy. Lows in the upper 60s.

    Hourly details
  • 79|68°F
    60% Chance of Storms

    Day

    79°F

    Mostly 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°F

    Mostly 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.

    Hourly details
  • 76|66°F
    40% Chance Rain Showers

    Day

    76°F

    Mostly cloudy with a chance of showers. Highs around 80. Chance of precipitation 40 percent.

    Night

    66°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 60s.

    Hourly details
  • 78|66°F
    Partly Cloudy

    Day

    78°F

    Partly cloudy in the morning then becoming mostly cloudy. Highs in the lower 80s.

    Night

    66°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 60s.

    Hourly details
  • 80|69°F
    Partly Cloudy

    Day

    80°F

    Partly cloudy. Highs in the mid 80s.

    Night

    69°F

    Clear. 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°F
    Sunny

    Day

    79°F

    Sunny. 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°F

    Clear. 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°F
    Sunny

    Day

    78°F

    Sunny. 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°F

    Clear. 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°F
    30% Chance of Rain

    Day

    77°F

    Sunny 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°F

    Mostly 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.