Allagash Weather Forecast

    • 48
    • 64

    Rain Showers

    • 46
    • 73

    Slight Chance Rain Showers

    • 50
    • 77

    Mostly Sunny

    • 51
    • 76

    Partly Sunny

    • 52
    • 76

    Slight Chance Rain Showers

    • 51
    • 76

    Chance Rain Showers

Today 30 Aug Northwest Aroostook

Numerous Showers. Isolated Thunderstorms this Morning, then scattered Thunderstorms this afternoon. Patchy fog this afternoon. Highs in the lower 60s. Southwest Winds around 5 Mph, becoming west this afternoon. Chance of rain 70 percent.

Tonight 30 Aug Northwest Aroostook

Mostly cloudy. Scattered Showers and Thunderstorms in the Evening, then a chance of Showers after midnight. Patchy fog. Lows in the upper 40s. West Winds around 5 Mph. Chance of rain 50 percent.

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Allagash Temperature Statistics

August Temperature

Frenchville, Northern Aroostook Regional Airport (36.7 miles)

  • Lowest 19 August, 2025

    36.6 °F

  • Average August

    65.2 °F

  • Highest 12 August, 2025

    93.7 °F

Climate (2020–Present)

Frenchville, Northern Aroostook Regional Airport (36.7 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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