Allagash Lake Weather Forecast

    • 43
    • 74

    Rain Showers

    • 44
    • 73

    Partly Sunny

    • 47
    • 74

    Slight Chance Rain Showers

    • 49
    • 70

    Rain Showers Likely

    • 49
    • 68

    Chance Rain Showers

    • 46
    • 70

    Chance Rain Showers

    • 45
    • 71

    Chance Rain Showers

Today 30 Aug Northern Piscataquis

Partly sunny with isolated Thunderstorms. Highs in the mid 70s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 20 percent.

Tonight 30 Aug Northern Piscataquis

Partly cloudy with scattered Showers with isolated Thunderstorms in the Evening, then clear after midnight. Patchy fog after midnight. Lows in the lower 40s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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Allagash Lake Temperature Statistics

August Temperature

Clayton Lake (19.9 miles)

  • Lowest 22 August, 2026

    39.2 °F

  • Average August

    65.1 °F

  • Highest 6 August, 2026

    86.7 °F

Climate (2021–2026)

Clayton Lake (19.9 miles)

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  • Average Low 2021–2026

    31.7 °F

  • Average 2021–2026

    42.1 °F

  • Average High 2021–2026

    51.5 °F
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