Mattawamkeag Weather Forecast

    • 46
    • 74

    Rain Showers

    • 45
    • 73

    Becoming Sunny

    • 49
    • 78

    Mostly Sunny

    • 51
    • 81

    Partly Sunny

    • 56
    • 81

    Partly Sunny

    • 41
    • 70

    Mostly Sunny

    • 34
    • 62

    Mostly Sunny

Today 14 Sep Central Penobscot

Partly sunny. Patchy fog this morning. Scattered Showers with isolated Thunderstorms this afternoon. Highs in the mid 70s. Southwest Winds around 5 Mph, becoming northwest around 5 Mph this afternoon. Chance of rain 40 percent.

Tonight 14 Sep Central Penobscot

Clear. Patchy fog. Lows in the upper 40s. North Winds around 5 Mph.

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Mattawamkeag Temperature Statistics

September Temperature

Millinocket, Millinocket Municipal Airport (18.6 miles)

  • Lowest 9 September, 2025

    39.9 °F

  • Average September

    59.8 °F

  • Highest 1 September, 2025

    79 °F

Climate (2020–Present)

Millinocket, Millinocket Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    45.7 °F

  • Average High 2020–2025

    55.1 °F
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