Grand Isle, Maine | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    32°
    Monday 4/29
    Forecast night icon
    32°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Lows in the upper 20s. North winds 10 to 15 mph diminishing to around 5 mph late.
  • Forecast day icon
    Tuesday
    Partly Sunny
    55°
    Forecast night icon
    Night
    Partly Cloudy
    34°
    Tuesday 4/30
    Day
    55°
    Partly Sunny
    Forecast day icon
    Night
    34°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then becoming mostly sunny. Highs in the lower 50s. North winds 5 to 10 mph with gusts up to 20 mph.
    Night Details
    Partly cloudy. A slight chance of rain showers after midnight. Lows in the mid 30s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.
  • Forecast day icon
    Wednesday
    Partly Sunny
    54°
    Forecast night icon
    Night
    Partly Cloudy
    38°
    Wednesday 5/1
    Day
    54°
    Partly Sunny
    Forecast day icon
    Night
    38°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 50s. Northeast winds around 5 mph.
    Night Details
    Partly cloudy. Lows in the mid 30s. Northeast winds around 5 mph.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    53°
    Forecast night icon
    Night
    30% Chance Rain Showers
    39°
    Thursday 5/2
    Day
    53°
    30% Chance Rain Showers
    Forecast day icon
    Night
    39°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers in the afternoon. Highs in the mid 50s. Chance of rain 30 percent.
    Night Details
    Mostly cloudy. A chance of showers in the evening. Lows in the upper 30s. Chance of rain 30 percent.
  • Forecast day icon
    Friday
    Partly Sunny
    53°
    Forecast night icon
    Night
    Partly Cloudy
    37°
    Friday 5/3
    Day
    53°
    Partly Sunny
    Forecast day icon
    Night
    37°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. Highs in the mid 50s.
    Night Details
    Partly cloudy. Lows in the mid 30s.
  • Forecast day icon
    Saturday
    Partly Sunny
    59°
    Forecast night icon
    Night
    Partly Cloudy
    40°
    Saturday 5/4
    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
    Partly cloudy. Lows in the upper 30s.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    63°
    Forecast night icon
    Night
    40% Chance of Rain
    43°
    Sunday 5/5
    Day
    63°
    30% Chance of Rain
    Forecast day icon
    Night
    43°
    40% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of rain in the afternoon. Highs in the lower 60s. Chance of rain 30 percent.
    Night Details
    Partly cloudy with a 40 percent chance of rain. Lows in the mid 40s.
  • Forecast day icon
    Monday
    40% Chance of Rain
    60°
    Forecast night icon
    Night
    40% Chance of Rain
    42°
    Monday 5/6
    Day
    60°
    40% Chance of Rain
    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 rain. Highs in the lower 60s.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 42F. Dew point will be around 40F with an average humidity of 76%. Winds will be 3 mph from the NW.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    58°
    Forecast night icon
    Night
    30% Chance of Rain
    42°
    Tuesday 5/7
    Day
    58°
    40% Chance of Rain
    Forecast day icon
    Night
    42°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 58F. Dew point will be around 41F with an average humidity of 65%. Winds will be 5 mph from the NW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 42F. Dew point will be around 38F with an average humidity of 74%. Winds will be 4 mph from the N.
  • Forecast day icon
    Wednesday
    40% Chance of Rain
    58°
    Forecast night icon
    Night
    30% Chance of Rain
    42°
    Wednesday 5/8
    Day
    58°
    40% Chance of Rain
    Forecast day icon
    Night
    42°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 58F. Dew point will be around 41F with an average humidity of 64%. Winds will be 4 mph from the N.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 42F. Dew point will be around 38F with an average humidity of 73%. Winds will be 2 mph from the N.