Grand Isle Weather Forecast

    • 5
    • 13

    Chance Snow

    • 5
    • 17

    Chance Snow

    • 1
    • 19

    Chance Snow Showers

    • -4
    • 8

    Cold

    • 0
    • 12

    Partly Sunny

    • 11
    • 19

    Snow Likely

Today 23 Dec Northwest Aroostook

Mostly sunny. Cold with Highs around 14. West Winds around 5 Mph, becoming southeast this afternoon.

Tonight 23 Dec Northwest Aroostook

Mostly cloudy. A chance of snow in the Evening, then snow likely after midnight. Snow accumulation around an inch. Not as cold. Near steady temperature around 9 above. East Winds around 5 Mph. Chance of snow 70 percent.

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Grand Isle Temperature Statistics

December Temperature

Frenchville, Northern Aroostook Regional Airport (7.5 miles)

  • Lowest 5 December, 2025

    -7.1 °F

  • Average December

    15.4 °F

  • Highest 19 December, 2025

    48.9 °F

Climate (2020–Present)

Frenchville, Northern Aroostook Regional Airport (7.5 miles)

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  • Average Low 2020–2025

    34 °F

  • Average 2020–2025

    42.3 °F

  • Average High 2020–2025

    50.5 °F
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