Big Machias Lake Weather Forecast

    • 52
    • 68

    Rain Showers Likely

    • 34
    • 61

    Rain Showers Likely

    • 47
    • 67

    Partly Sunny

    • 39
    • 73

    Mostly Cloudy

    • 41
    • 67

    Chance Rain Showers

    • 36
    • 67

    Partly Sunny

Today 13 Sep Northwest Aroostook

Cloudy. Isolated Showers in the Morning, then scattered Thunderstorms in the afternoon. Highs in the upper 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 13 Sep Northwest Aroostook

Mostly cloudy. Near steady temperature in the lower 50s. South Winds around 5 Mph with Gusts up to 15 Mph.

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Big Machias Lake Temperature Statistics

September Temperature

Clayton Lake (34.8 miles)

  • Lowest 9 September, 2026

    32 °F

  • Average September

    57.6 °F

  • Highest 7 September, 2026

    74.8 °F

Climate (2021–2026)

Clayton Lake (34.8 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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