Grand Isle Weather Forecast

    • 21
    • 32

    Mostly Cloudy

    • 27
    • 43

    Mostly Cloudy

    • 37
    • 47

    Chance Rain

    • 42
    • 52

    Rain Likely

    • 21
    • 48

    Chance Rain

    • 26
    • 42

    Partly Sunny

Today 13 Mar Northwest Aroostook

Partly sunny. Highs in the lower 30s. South Winds 5 to 10 Mph.

Tonight 13 Mar Northwest Aroostook

Partly cloudy. Not as cool with Lows in the mid 20s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Grand Isle Temperature Statistics

March Temperature

Frenchville, Northern Aroostook Regional Airport (7.5 miles)

  • Lowest 3 March, 2025

    -3.2 °F

  • Average March

    20.3 °F

  • Highest 6 March, 2025

    46.7 °F

Climate (2020–Present)

Frenchville, Northern Aroostook Regional Airport (7.5 miles)

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  • Average Low 2020–2025

    33.9 °F

  • Average 2020–2025

    42.2 °F

  • Average High 2020–2025

    50.4 °F
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