Grand Isle Weather Forecast

    • 17
    • 35

    Rain/Snow

    • 0
    • 21

    Partly Sunny

    • 0
    • 17

    Partly Sunny

    • 17
    • 29

    Mostly Cloudy

    • 18
    • 38

    Rain/Snow Likely

    • 10
    • 29

    Chance Snow

Today 26 Mar Northwest Aroostook

Snow with a slight chance of rain this Morning, then rain and snow likely this afternoon. Snow accumulation around an inch. Not as cool with Highs in the upper 30s. South Winds 5 to 10 Mph, becoming west this afternoon. Chance of precipitation 90 percent.

Tonight 26 Mar Northwest Aroostook

Mostly cloudy. A chance of snow in the evening. Little or no additional snow accumulation. Lows around 13. Northwest Winds 5 to 10 Mph. Chance of snow 50 percent.

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  • Temperature Real-Time

Grand Isle Temperature Statistics

March Temperature

Frenchville, Northern Aroostook Regional Airport (7.5 miles)

  • Lowest 2 March, 2026

    -8.4 °F

  • Average March

    23.2 °F

  • Highest 9 March, 2026

    53.7 °F

Climate (2021–Present)

Frenchville, Northern Aroostook Regional Airport (7.5 miles)

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  • Average Low 2021–2026

    33.7 °F

  • Average 2021–2026

    42 °F

  • Average High 2021–2026

    50.3 °F
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