Mount Chase State Forest Weather Forecast

    • 50
    • 74

    Rain Showers

    • 53
    • 75

    Partly Sunny

    • 59
    • 71

    Chance Rain Showers

    • 51
    • 73

    Rain Showers Likely

    • 45
    • 69

    Partly Sunny

    • 40
    • 64

    Mostly Sunny

    • 42
    • 65

    Partly Sunny

Today 3 Sep Northern Penobscot

Mostly sunny. Isolated Showers and Thunderstorms this afternoon. Highs in the upper 70s. South Winds around 5 Mph. Chance of rain 20 percent.

Tonight 3 Sep Northern Penobscot

Partly cloudy. Scattered Showers with isolated Thunderstorms this evening. Patchy fog after midnight. Lows in the lower 50s. South Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Chase State Forest Temperature Statistics

September Temperature

Millinocket, Millinocket Municipal Airport (30.4 miles)

  • Lowest 1 September, 2025

    48.9 °F

  • Average September

    64 °F

  • Highest 1 September, 2025

    79 °F

Climate (2020–Present)

Millinocket, Millinocket Municipal Airport (30.4 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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