Grand Isle, Maine | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Cloudy
    34°
    Tuesday 4/23
    Forecast night icon
    34°
    Mostly Cloudy
    Hourly
    Night Details
    Mostly cloudy. Low temperature around 34F. Dew point will be around 25F with an average humidity of 50%. Winds will be 16 mph from the S.
  • Forecast day icon
    Wednesday
    Snow
    42°
    Forecast night icon
    Night
    50% Chance of Snow
    23°
    Wednesday 4/24
    Day
    42°
    Snow
    Forecast day icon
    Night
    23°
    50% Chance of Snow
    Forecast night icon
    Hourly
    Day Details
    Rain. A slight chance of snow this morning then snow likely this afternoon. Snow accumulation around an inch. Cooler with highs in the lower 40s. South winds 5 to 10 mph becoming northwest 10 to 15 mph with gusts up to 25 mph this afternoon. Chance of precipitation near 100 percent.
    Night Details
    Mostly cloudy with a chance of snow in the evening then partly cloudy after midnight. Much colder with lows around 17. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 50 percent.
  • Forecast day icon
    Thursday
    Partly Sunny
    42°
    Forecast night icon
    Night
    Mostly Clear
    26°
    Thursday 4/25
    Day
    42°
    Partly Sunny
    Forecast day icon
    Night
    26°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a slight chance of snow showers in the morning then mostly sunny in the afternoon. Highs in the lower 40s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 20 percent.
    Night Details
    Mostly clear. Lows in the lower 20s. West winds 5 to 10 mph.
  • Forecast day icon
    Friday
    Mostly Sunny
    53°
    Forecast night icon
    Night
    Clear
    29°
    Friday 4/26
    Day
    53°
    Mostly Sunny
    Forecast day icon
    Night
    29°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 50s. West winds 5 to 10 mph with gusts up to 20 mph.
    Night Details
    Clear. Lows in the mid 20s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    40% Chance Rain Showers
    39°
    Saturday 4/27
    Day
    64°
    Mostly Sunny
    Forecast day icon
    Night
    39°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 60s.
    Night Details
    Partly cloudy in the evening then mostly cloudy with a chance of showers after midnight. Lows in the upper 30s. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    50% Chance Rain Showers
    62°
    Forecast night icon
    Night
    40% Chance Rain Showers
    48°
    Sunday 4/28
    Day
    62°
    50% Chance Rain Showers
    Forecast day icon
    Night
    48°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of showers. Highs around 60.
    Night Details
    Mostly cloudy with a 40 percent chance of showers. Lows in the lower 40s.
  • Forecast day icon
    Monday
    Mostly Cloudy
    60°
    Forecast night icon
    Night
    40% Chance of Rain
    40°
    Monday 4/29
    Day
    60°
    Mostly Cloudy
    Forecast day icon
    Night
    40°
    40% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the upper 50s.
    Night Details
    Mostly cloudy with a 40 percent chance of rain. Lows in the lower 40s.
  • Forecast day icon
    Tuesday
    50% Chance of Rain
    53°
    Forecast night icon
    Night
    60% Chance of Rain
    40°
    Tuesday 4/30
    Day
    53°
    50% Chance of Rain
    Forecast day icon
    Night
    40°
    60% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of rain. Highs in the upper 50s.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 60%. Low temperature around 40F. Dew point will be around 39F with an average humidity of 82%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Wednesday
    60% Chance of Rain
    54°
    Forecast night icon
    Night
    40% Chance of Rain
    41°
    Wednesday 5/1
    Day
    54°
    60% Chance of Rain
    Forecast day icon
    Night
    41°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 55%. High temperature around 54F. Dew point will be around 43F with an average humidity of 79%. Winds will be 2 mph from the E.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 41F. Dew point will be around 39F with an average humidity of 84%. Winds will be 2 mph from the E.
  • Forecast day icon
    Thursday
    30% Chance of Rain
    56°
    Forecast night icon
    Night
    30% Chance of Rain
    41°
    Thursday 5/2
    Day
    56°
    30% Chance of Rain
    Forecast day icon
    Night
    41°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 56F. Dew point will be around 42F with an average humidity of 73%. Winds will be 4 mph from the N.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 41F. Dew point will be around 39F with an average humidity of 80%. Winds will be 1 mph from the NW.