10-Day Weather Forecast - Grand Isle, ME

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  • |9°F
    Mostly Cloudy
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    Tonight

    9°F

    Mostly cloudy. Low temperature around 9F. Dew point will be around 10F with an average humidity of 82%. Winds will be 10 mph from the NW.

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  • Day

    14°F

    Mostly cloudy. Cold with highs around 14. Northwest winds 10 to 15 mph with gusts up to 30 mph.

    Night

    4°F

    Mostly cloudy in the evening then becoming partly cloudy. Cold with lows around 4 above. West winds 10 to 15 mph with gusts up to 25 mph.

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  • Day

    19°F

    Mostly sunny. Cold with highs in the lower 20s. Southwest winds 5 to 10 mph.

    Night

    17°F

    Mostly cloudy. Not as cold with lows around 17. Temperature rising into the lower 20s after midnight. Southwest winds 5 to 10 mph with gusts up to 25 mph.

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  • Day

    31°F

    Mostly cloudy with a 20 percent chance of snow showers. Not as cool with highs in the lower 30s. Southwest winds around 10 mph with gusts up to 25 mph.

    Night

    14°F

    Mostly cloudy with a slight chance of snow showers in the evening then partly cloudy after midnight. Cold with lows around 10 above. Chance of snow 20 percent.

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  • Day

    29°F

    Mostly sunny in the morning then becoming mostly cloudy. Highs in the mid 30s.

    Night

    30°F

    Cloudy. A chance of rain in the evening then rain likely after midnight. Not as cold with lows in the upper 20s. Temperature rising into the upper 30s after midnight. Chance of rain 70 percent.

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  • Day

    41°F

    Mostly cloudy. Rain likely in the morning then a chance of snow and rain in the afternoon. Highs in the lower 40s. Temperature falling into the upper 20s in the afternoon. Chance of precipitation 70 percent.

    Night

    10°F

    Mostly cloudy in the evening then becoming partly cloudy. Much colder with lows zero to 5 above zero.

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  • Weekend Weather

  • Day

    12°F

    Mostly sunny. Much colder with highs around 20.

    Night

    12°F

    Mostly cloudy with a 50 percent chance of snow. Cold with lows around 10 above. Temperature rising to around 20 after midnight.

    Hourly details
  • Day

    28°F

    Mostly cloudy with a chance of snow in the morning then partly sunny in the afternoon. Cold with highs in the upper 20s. Temperature falling into the lower 20s in the afternoon. Chance of snow 50 percent.

    Night

    10°F

    Cloudy. Low temperature around 10F. Dew point will be around 11F with an average humidity of 77%. Winds will be 8 mph from the NW.

  • Day

    17°F

    Sunny. High temperature around 17F. Dew point will be around 5F with an average humidity of 68%. Winds will be 8 mph from the W.

    Night

    10°F

    Mostly clear. Low temperature around 10F. Dew point will be around 6F with an average humidity of 79%. Winds will be 5 mph from the W.

  • Day

    22°F

    Cloudy with a chance of snow. Chance of precipitation 35%. High temperature around 22F. Dew point will be around 10F with an average humidity of 72%. Winds will be 6 mph from the SW.

    Night

    13°F

    Cloudy with a slight chance of snow. Chance of precipitation 30%. Low temperature around 13F. Dew point will be around 12F with an average humidity of 80%. Winds will be 6 mph from the W.