Grand Isle, Maine | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast night icon
    Night
    Mostly Cloudy
    45°
    Saturday 5/4
    Forecast night icon
    45°
    Mostly Cloudy
    Hourly
    Night Details
    Mostly cloudy. Lows in the lower 40s. Southeast winds around 5 mph.
  • Forecast day icon
    Sunday
    50% Chance of Rain
    64°
    Forecast night icon
    Night
    80% Chance of Rain
    44°
    Sunday 5/5
    Day
    64°
    50% Chance of Rain
    Forecast day icon
    Night
    44°
    80% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then mostly cloudy with a chance of rain in the afternoon. Highs around 60. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
    Night Details
    Rain. Lows in the lower 40s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 80 percent.
  • Forecast day icon
    Monday
    40% Chance Rain Showers
    63°
    Forecast night icon
    Night
    Mostly Clear
    43°
    Monday 5/6
    Day
    63°
    40% Chance Rain Showers
    Forecast day icon
    Night
    43°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers in the morning then partly sunny with a slight chance of showers in the afternoon. Highs in the upper 60s. West winds 10 to 15 mph. Chance of rain 40 percent.
    Night Details
    Mostly clear. Lows around 40. Northwest winds 5 to 10 mph with gusts up to 20 mph.
  • Forecast day icon
    Tuesday
    Partly Sunny
    60°
    Forecast night icon
    Night
    Mostly Clear
    39°
    Tuesday 5/7
    Day
    60°
    Partly Sunny
    Forecast day icon
    Night
    39°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny in the morning then becoming partly sunny. Highs in the upper 50s.
    Night Details
    Mostly clear. Cold with lows in the lower 30s.
  • Forecast day icon
    Wednesday
    Partly Sunny
    59°
    Forecast night icon
    Night
    Partly Cloudy
    40°
    Wednesday 5/8
    Day
    59°
    Partly Sunny
    Forecast day icon
    Night
    40°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the upper 50s.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 30s.
  • Forecast day icon
    Thursday
    Partly Sunny
    62°
    Forecast night icon
    Night
    30% Chance Rain Showers
    41°
    Thursday 5/9
    Day
    62°
    Partly Sunny
    Forecast day icon
    Night
    41°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 50s.
    Night Details
    Mostly cloudy. A chance of showers after midnight. Lows in the upper 30s. Chance of rain 30 percent.
  • Forecast day icon
    Friday
    40% Chance Rain Showers
    51°
    Forecast night icon
    Night
    40% Chance Rain Showers
    41°
    Friday 5/10
    Day
    51°
    40% Chance Rain Showers
    Forecast day icon
    Night
    41°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 40 percent chance of showers. Highs in the lower 50s.
    Night Details
    Mostly cloudy with a 40 percent chance of showers. Lows in the upper 30s.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    56°
    Forecast night icon
    Night
    40% Chance of Rain
    42°
    Saturday 5/11
    Day
    56°
    40% Chance Rain Showers
    Forecast day icon
    Night
    42°
    40% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then becoming mostly cloudy. A 40 percent chance of showers. Highs in the mid 50s.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 42F. Dew point will be around 41F with an average humidity of 82%. Winds will be 4 mph from the E.
  • Forecast day icon
    Sunday
    50% Chance of Rain
    58°
    Forecast night icon
    Night
    40% Chance of Rain
    46°
    Sunday 5/12
    Day
    58°
    50% Chance of Rain
    Forecast day icon
    Night
    46°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 58F. Dew point will be around 44F with an average humidity of 70%. Winds will be 3 mph from the SE.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 46F. Dew point will be around 42F with an average humidity of 78%. Winds will be 3 mph from the SE.
  • Forecast day icon
    Monday
    60% Chance of Rain
    59°
    Forecast night icon
    Night
    40% Chance of Rain
    47°
    Monday 5/13
    Day
    59°
    60% Chance of Rain
    Forecast day icon
    Night
    47°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 60%. High temperature around 59F. Dew point will be around 46F with an average humidity of 73%. Winds will be 3 mph from the S.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 47F. Dew point will be around 43F with an average humidity of 79%. Winds will be 2 mph from the S.