10-Day Weather Forecast - Grand Isle, ME

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  • |25°F
    50% Chance of Snow
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    Tonight

    25°F

    Mostly cloudy with a 50 percent chance of snow. Snow accumulation around an inch possible. Lows in the lower 20s. Southeast winds around 5 mph with gusts up to 15 mph increasing to 10 to 15 mph with gusts up to 25 mph after midnight.

    Hourly details
  • Day

    40°F

    Freezing rain sleet and rain in the morning then rain with a slight chance of freezing rain in the afternoon. Patchy fog in the afternoon. Sleet accumulation up to 1 inch. Ice accumulation of up to a tenth of an inch. Not as cool with highs in the upper 40s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation near 100 percent.

    Night

    42°F

    Rain. Patchy fog. Not as cool with lows in the upper 30s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

    Hourly details
  • Day

    50°F

    Patchy fog in the morning. Mostly cloudy with rain with a chance of snow in the morning then partly sunny with a slight chance of freezing rain and rain in the afternoon. Little or no snow accumulation. Highs in the mid 40s. Temperature falling into the upper 20s in the afternoon. Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 90 percent.

    Night

    7°F

    Partly cloudy. Lows around zero. West winds 10 to 15 mph with gusts up to 30 mph.

    Hourly details
  • Day

    18°F

    Mostly sunny. Much cooler with highs around 20.

    Night

    10°F

    Mostly clear in the evening then becoming partly cloudy. Cold with lows 5 to 10 above.

    Hourly details
  • Day

    32°F

    Mostly cloudy. Not as cool with highs in the mid 30s.

    Night

    26°F

    Mostly cloudy with a 50 percent chance of snow. Not as cool with lows in the lower 20s.

    Hourly details
  • Day

    32°F

    Mostly cloudy with a chance of snow in the morning then partly sunny in the afternoon. Highs in the mid 30s. Chance of snow 40 percent.

    Night

    19°F

    Partly cloudy. A chance of snow after midnight. Lows 15 to 20. Chance of snow 40 percent.

    Hourly details
  • Weekend Weather

  • Day

    28°F

    Snow likely. Highs in the lower 30s. Chance of snow 60 percent.

    Night

    15°F

    Mostly cloudy with a 50 percent chance of snow. Lows 10 to 15.

    Hourly details
  • Day

    26°F

    Partly sunny. A chance of snow in the morning. Highs in the upper 20s. Chance of snow 40 percent.

    Night

    13°F

    Cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 13F. Dew point will be around 7F with an average humidity of 63%. Winds will be 9 mph from the NW.

  • Day

    22°F

    Cloudy. High temperature around 22F. Dew point will be around 4F with an average humidity of 54%. Winds will be 14 mph from the NW.

    Night

    10°F

    Cloudy. Low temperature around 10F. Dew point will be around 2F with an average humidity of 57%. Winds will be 12 mph from the NW.

  • Day

    23°F

    Cloudy. High temperature around 23F. Dew point will be around 0F with an average humidity of 48%. Winds will be 11 mph from the NW.

    Night

    12°F

    Partly cloudy. Low temperature around 12F. Dew point will be around 4F with an average humidity of 58%. Winds will be 6 mph from the W.