Grand Isle, Maine | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    70% Chance of Rain
    42°
    Monday 5/6
    Forecast night icon
    42°
    70% Chance of Rain
    Hourly
    Night Details
    Mostly clear with probable rain. Chance of precipitation 65%. Low temperature around 42F. Dew point will be around 43F with an average humidity of 61%. Winds will be 10 mph from the W.
  • Forecast day icon
    Tuesday
    Partly Sunny
    58°
    Forecast night icon
    Night
    Partly Cloudy
    38°
    Tuesday 5/7
    Day
    58°
    Partly Sunny
    Forecast day icon
    Night
    38°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny this morning then becoming mostly cloudy. Highs in the upper 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
    Night Details
    Partly cloudy in the evening then clearing. Cold with lows in the lower 30s. Northwest winds 10 to 15 mph.
  • Forecast day icon
    Wednesday
    Partly Sunny
    59°
    Forecast night icon
    Night
    50% Chance of Rain
    42°
    Wednesday 5/8
    Day
    59°
    Partly Sunny
    Forecast day icon
    Night
    42°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then mostly cloudy with a slight chance of rain in the afternoon. Highs in the upper 50s. North winds around 5 mph becoming east around 5 mph in the afternoon. Chance of rain 20 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s. Northeast winds 5 to 10 mph.
  • Forecast day icon
    Thursday
    40% Chance Rain Showers
    58°
    Forecast night icon
    Night
    40% Chance Frozen Mix
    40°
    Thursday 5/9
    Day
    58°
    40% Chance Rain Showers
    Forecast day icon
    Night
    40°
    40% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 40 percent chance of showers. Highs in the mid 50s. Northeast winds 5 to 10 mph.
    Night Details
    Partly cloudy. A slight chance of rain showers in the evening then a chance of snow and rain showers after midnight. Cold with lows in the mid 30s. Chance of precipitation 40 percent.
  • Forecast day icon
    Friday
    50% Chance Rain Showers
    55°
    Forecast night icon
    Night
    50% Chance of Rain
    37°
    Friday 5/10
    Day
    55°
    50% Chance Rain Showers
    Forecast day icon
    Night
    37°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of rain showers in the morning then mostly cloudy with a chance of rain in the afternoon. Highs in the mid 50s. Chance of rain 50 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. A 50 percent chance of rain. Lows in the mid 30s.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    46°
    Forecast night icon
    Night
    40% Chance Rain Showers
    38°
    Saturday 5/11
    Day
    46°
    40% Chance Rain Showers
    Forecast day icon
    Night
    38°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 40 percent chance of rain showers. Highs in the lower 50s.
    Night Details
    Mostly cloudy with a chance of rain showers in the evening then partly cloudy after midnight. Cold with lows in the mid 30s. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    30% Chance Rain Showers
    55°
    Forecast night icon
    Night
    30% Chance Rain Showers
    43°
    Sunday 5/12
    Day
    55°
    30% Chance Rain Showers
    Forecast day icon
    Night
    43°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then becoming mostly cloudy. A 30 percent chance of rain showers. Highs in the mid 50s.
    Night Details
    Partly cloudy. A chance of showers in the evening. Lows in the upper 30s. Chance of rain 30 percent.
  • Forecast day icon
    Monday
    40% Chance Rain Showers
    59°
    Forecast night icon
    Night
    30% Chance of Rain
    46°
    Monday 5/13
    Day
    59°
    40% Chance Rain Showers
    Forecast day icon
    Night
    46°
    30% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then mostly cloudy with a chance of showers in the afternoon. Highs in the upper 50s. Chance of rain 40 percent.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 46F. Dew point will be around 46F with an average humidity of 85%. Winds will be 2 mph from the SE.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    61°
    Forecast night icon
    Night
    30% Chance of Rain
    48°
    Tuesday 5/14
    Day
    61°
    40% Chance of Rain
    Forecast day icon
    Night
    48°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 61F. Dew point will be around 49F with an average humidity of 77%. Winds will be 2 mph from the SW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 48F. Dew point will be around 46F with an average humidity of 81%. Winds will be 1 mph from the W.
  • Forecast day icon
    Wednesday
    40% Chance of Rain
    63°
    Forecast night icon
    Night
    40% Chance of Rain
    49°
    Wednesday 5/15
    Day
    63°
    40% Chance of Rain
    Forecast day icon
    Night
    49°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 63F. Dew point will be around 48F with an average humidity of 71%. Winds will be 2 mph from the W.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 49F. Dew point will be around 46F with an average humidity of 80%. Winds will be 1 mph from the NW.