Winthrop Harbor, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Sunday
    80% Chance of Storms
    60°
    Forecast night icon
    Night
    Thunderstorms
    59°
    Sunday 4/28
    Day
    60°
    80% Chance of Storms
    Forecast day icon
    Night
    59°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Cloudy. Showers and a chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs in the upper 60s inland but only around 60 near the lake. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of precipitation 80 percent.
    Night Details
    Cloudy. A chance of thunderstorms in the evening then showers with a chance of thunderstorms after midnight. Unseasonably mild. Lows in the upper 50s. Southeast winds 10 to 15 mph. Chance of precipitation 90 percent.
  • Forecast day icon
    Monday
    40% Chance Rain Showers
    70°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Monday 4/29
    Day
    70°
    40% Chance Rain Showers
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 40 percent chance of showers. Highs in the upper 60s. Southwest winds 10 to 20 mph with gusts up to 30 mph.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the upper 40s. West winds 10 to 15 mph.
  • Forecast day icon
    Tuesday
    Sunny
    70°
    Forecast night icon
    Night
    40% Chance of Storms
    55°
    Tuesday 4/30
    Day
    70°
    Sunny
    Forecast day icon
    Night
    55°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 70s inland but only in the upper 60s near the lake. Southwest winds 5 to 10 mph.
    Night Details
    Partly cloudy with a slight chance of showers in the evening then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of precipitation 40 percent.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    73°
    Forecast night icon
    Night
    60% Chance of Storms
    51°
    Wednesday 5/1
    Day
    73°
    Partly Cloudy
    Forecast day icon
    Night
    51°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning then mostly cloudy with a slight chance of showers in the afternoon. Highs in the mid 70s inland but only in the upper 60s near the lake. Chance of precipitation 20 percent.
    Night Details
    Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening then showers likely with a chance of thunderstorms after midnight. Lows in the mid 50s. Chance of precipitation 60 percent.
  • Forecast day icon
    Thursday
    60% Chance of Storms
    75°
    Forecast night icon
    Night
    60% Chance of Storms
    58°
    Thursday 5/2
    Day
    75°
    60% Chance of Storms
    Forecast day icon
    Night
    58°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of thunderstorms in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s inland but only around 70 near the lake. Chance of precipitation 60 percent.
    Night Details
    Mostly cloudy. Showers likely with a chance of thunderstorms in the evening then a chance of thunderstorms after midnight. Lows in the mid 50s. Chance of precipitation 60 percent.
  • Forecast day icon
    Friday
    40% Chance of Storms
    69°
    Forecast night icon
    Night
    30% Chance of Storms
    51°
    Friday 5/3
    Day
    69°
    40% Chance of Storms
    Forecast day icon
    Night
    51°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers in the morning then a chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 40 percent.
    Night Details
    Mostly cloudy. A chance of thunderstorms in the evening. Lows in the mid 40s. Chance of precipitation 30 percent.
  • Forecast day icon
    Saturday
    Partly Cloudy
    62°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Saturday 5/4
    Day
    62°
    Partly Cloudy
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 60s.
    Night Details
    Partly cloudy. Low temperature around 50F. Dew point will be around 42F with an average humidity of 68%. Winds will be 8 mph from the W.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    62°
    Forecast night icon
    Night
    30% Chance of Rain
    47°
    Sunday 5/5
    Day
    62°
    Mostly Cloudy
    Forecast day icon
    Night
    47°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy. High temperature around 62F. Dew point will be around 46F with an average humidity of 63%. Winds will be 6 mph from the W.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 47F. Dew point will be around 42F with an average humidity of 70%. Winds will be 5 mph from the W.
  • Forecast day icon
    Monday
    Partly Cloudy
    62°
    Forecast night icon
    Night
    30% Chance of Rain
    49°
    Monday 5/6
    Day
    62°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 62F. Dew point will be around 45F with an average humidity of 63%. Winds will be 2 mph from the NW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 49F. Dew point will be around 44F with an average humidity of 72%. Winds will be 2 mph from the N.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    60°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Tuesday 5/7
    Day
    60°
    30% Chance of Rain
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 60F. Dew point will be around 47F with an average humidity of 68%. Winds will be 4 mph from the NE.
    Night Details
    Partly cloudy. Low temperature around 46F. Dew point will be around 41F with an average humidity of 71%. Winds will be 3 mph from the NE.