10-Day Weather Forecast - Grand Isle, ME

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  • |29°F
    Partly Cloudy
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    Tonight

    29°F

    Partly cloudy. Low temperature around 29F. Dew point will be around 26F with an average humidity of 91%. Winds will be 16 mph from the S.

    Hourly details
  • Day

    49°F

    A chance of rain this morning then rain this afternoon. Patchy fog. Not as cool with highs in the lower 50s. South winds 15 to 20 mph. Gusts up to 30 mph increasing to 40 mph this afternoon. Chance of rain near 100 percent.

    Night

    22°F

    Rain in the evening. Patchy fog in the evening. A slight chance of snow showers. Little or no snow accumulation. Much colder with lows around 15. Southwest winds 15 to 20 mph with gusts up to 45 mph. Chance of precipitation near 100 percent.

    Hourly details
  • Weekend Weather

  • Day

    21°F

    Mostly sunny. Much colder with highs in the lower 20s. West winds 15 to 20 mph. Gusts up to 45 mph decreasing to 30 mph in the afternoon.

    Night

    18°F

    Snow. Light snow accumulation. Cold with lows around 15. Temperature rising into the lower 20s after midnight. South winds 5 to 10 mph. Chance of snow 90 percent.

    Hourly details
  • Day

    30°F

    Mostly cloudy with snow likely in the morning then partly sunny with a chance of snow showers in the afternoon. Little or no additional snow accumulation. Cold with highs in the lower 30s. Temperature falling into the mid 20s in the afternoon. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 70 percent.

    Night

    15°F

    Mostly cloudy. A slight chance of snow showers in the evening. Cold with lows around 10 above. Chance of snow 20 percent.

    Hourly details
  • Day

    14°F

    Mostly sunny. Much colder with highs around 15.

    Night

    5°F

    Partly cloudy. Cold with lows around zero.

    Hourly details
  • Day

    15°F

    Partly sunny in the morning then mostly cloudy with a chance of snow in the afternoon. Cold with highs around 20. Chance of snow 50 percent.

    Night

    15°F

    Mostly cloudy with a 50 percent chance of snow. Cold. Near steady temperature 10 to 15.

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  • Day

    15°F

    Partly sunny. Cold with highs around 20. Temperature falling to around 15 in the afternoon.

    Night

    6°F

    Partly cloudy. Cold with lows around zero.

    Hourly details
  • Day

    15°F

    Partly sunny. Cold with highs in the lower 20s.

    Night

    11°F

    Mostly cloudy with a chance of snow. Chance of precipitation 35%. Low temperature around 11F. Dew point will be around 7F with an average humidity of 80%. Winds will be 1 mph from the SE.

  • Day

    22°F

    Cloudy with a chance of snow. Chance of precipitation 45%. High temperature around 22F. Dew point will be around 13F with an average humidity of 77%. Winds will be 2 mph from the S.

    Night

    14°F

    Cloudy with a chance of snow. Chance of precipitation 40%. Low temperature around 14F. Dew point will be around 12F with an average humidity of 80%. Winds will be 4 mph from the NW.

  • Weekend Weather

  • Day

    20°F

    Cloudy with a slight chance of snow. Chance of precipitation 25%. High temperature around 20F. Dew point will be around 9F with an average humidity of 70%. Winds will be 6 mph from the NW.

    Night

    11°F

    Cloudy. Low temperature around 11F. Dew point will be around 7F with an average humidity of 75%. Winds will be 6 mph from the NW.