Grand Isle Weather Forecast

    • 38
    • 57

    Chance Rain Showers

    • 45
    • 51

    Rain Showers

    • 42
    • 59

    Chance Rain Showers

    • 32
    • 55

    Chance Rain Showers

    • 36
    • 55

    Partly Sunny

    • 43
    • 64

    Partly Sunny

Today 1 May Northwest Aroostook

Sunny. Highs in the upper 50s. Northwest Winds around 5 Mph.

Tonight 1 May Northwest Aroostook

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the upper 30s. Northeast Winds around 5 Mph, becoming southeast after midnight. Chance of rain 50 percent.

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Grand Isle Temperature Statistics

May Temperature

Frenchville, Northern Aroostook Regional Airport (7.5 miles)

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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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