Big Machias Lake Weather Forecast

    • 44
    • 77

    Rain Showers

    • 30
    • 61

    Mostly Sunny

    • 29
    • 60

    Sunny

    • 41
    • 66

    Partly Sunny

    • 52
    • 72

    Chance Rain Showers

    • 46
    • 72

    Chance Rain Showers

Today 18 Sep Northwest Aroostook

Partly sunny. Patchy fog this morning. Isolated Showers this afternoon. Highs in the mid 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 18 Sep Northwest Aroostook

Mostly cloudy. Scattered Showers, mainly this evening. Lows in the mid 40s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

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Big Machias Lake Temperature Statistics

September Temperature

Clayton Lake (34.8 miles)

  • Lowest 9 September, 2025

    35.6 °F

  • Average September

    55.2 °F

  • Highest 1 September, 2025

    78.6 °F

Climate (2020–Present)

Clayton Lake (34.8 miles)

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  • Average Low 2020–2025

    30.3 °F

  • Average 2020–2025

    40.8 °F

  • Average High 2020–2025

    50.1 °F
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