Mount Katahdin Weather Forecast

    • 44
    • 54

    Increasing Clouds

    • 43
    • 50

    Rain Showers

    • 43
    • 46

    Rain Showers Likely

    • 46
    • 51

    Slight Chance Rain Showers

    • 47
    • 55

    Partly Sunny

    • 48
    • 57

    Mostly Sunny

Today 28 Aug Northern Piscataquis

Mostly sunny. Isolated Showers this afternoon. Highs in the lower 70s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 28 Aug Northern Piscataquis

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 40s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Katahdin Temperature Statistics

August Temperature

Millinocket, Millinocket Municipal Airport (20.5 miles)

  • Lowest 19 August, 2025

    41.6 °F

  • Average August

    68.4 °F

  • Highest 11 August, 2025

    97.6 °F

Climate (2020–Present)

Millinocket, Millinocket Municipal Airport (20.5 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    45.7 °F

  • Average High 2020–2025

    55 °F
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