Grand Isle, Maine | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    70% Chance Rain Showers
    43°
    Wednesday 5/8
    Forecast night icon
    43°
    70% Chance Rain Showers
    Hourly
    Night Details
    Cloudy. Rain likely late this evening then scattered showers. Patchy fog. Lows around 40. Northeast winds 5 to 10 mph. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    Mostly Cloudy
    57°
    Forecast night icon
    Night
    Partly Cloudy
    38°
    Thursday 5/9
    Day
    57°
    Mostly Cloudy
    Forecast day icon
    Night
    38°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the mid 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph.
    Night Details
    Partly cloudy in the evening then clearing. Cold with lows in the mid 30s. North winds 5 to 10 mph.
  • Forecast day icon
    Friday
    Partly Sunny
    56°
    Forecast night icon
    Night
    Partly Cloudy
    39°
    Friday 5/10
    Day
    56°
    Partly Sunny
    Forecast day icon
    Night
    39°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A slight chance of rain showers in the afternoon. Highs in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.
    Night Details
    Partly cloudy. Lows in the mid 30s. East winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    Partly Sunny
    58°
    Forecast night icon
    Night
    30% Chance Rain Showers
    38°
    Saturday 5/11
    Day
    58°
    Partly Sunny
    Forecast day icon
    Night
    38°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 20 percent chance of rain showers. Highs in the lower 50s.
    Night Details
    Partly cloudy. A chance of rain showers after midnight. Cold with lows in the mid 30s. Chance of rain 30 percent.
  • Forecast day icon
    Sunday
    40% Chance Rain Showers
    59°
    Forecast night icon
    Night
    Partly Cloudy
    41°
    Sunday 5/12
    Day
    59°
    40% Chance Rain Showers
    Forecast day icon
    Night
    41°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then becoming mostly cloudy. A 40 percent chance of rain showers. Highs in the lower 50s.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 30s.
  • Forecast day icon
    Monday
    40% Chance Rain Showers
    59°
    Forecast night icon
    Night
    40% Chance Rain Showers
    40°
    Monday 5/13
    Day
    59°
    40% Chance Rain Showers
    Forecast day icon
    Night
    40°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 40 percent.
    Night Details
    Partly cloudy with a 40 percent chance of showers. Lows in the lower 40s.
  • Forecast day icon
    Tuesday
    40% Chance Rain Showers
    63°
    Forecast night icon
    Night
    40% Chance Rain Showers
    47°
    Tuesday 5/14
    Day
    63°
    40% Chance Rain Showers
    Forecast day icon
    Night
    47°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 40 percent chance of showers. Highs in the lower 60s.
    Night Details
    Partly cloudy. A chance of showers in the evening. Lows in the lower 40s. Chance of rain 40 percent.
  • Forecast day icon
    Wednesday
    Partly Sunny
    69°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Wednesday 5/15
    Day
    69°
    Partly Sunny
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the upper 60s.
    Night Details
    Partly cloudy. Low temperature around 49F. Dew point will be around 48F with an average humidity of 79%. Winds will be 1 mph from the E.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    66°
    Forecast night icon
    Night
    30% Chance of Rain
    51°
    Thursday 5/16
    Day
    66°
    40% Chance of Rain
    Forecast day icon
    Night
    51°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 66F. Dew point will be around 51F with an average humidity of 71%. Winds will be 4 mph from the SE.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 51F. Dew point will be around 49F with an average humidity of 80%. Winds will be 3 mph from the SE.
  • Forecast day icon
    Friday
    40% Chance of Rain
    66°
    Forecast night icon
    Night
    40% Chance of Rain
    52°
    Friday 5/17
    Day
    66°
    40% Chance of Rain
    Forecast day icon
    Night
    52°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 66F. Dew point will be around 51F with an average humidity of 72%. Winds will be 4 mph from the SE.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 52F. Dew point will be around 49F with an average humidity of 82%. Winds will be 3 mph from the SE.