Mount Katahdin Weather Forecast

    • 53
    • 58

    Rain Showers

    • 47
    • 58

    Rain Showers

    • 47
    • 52

    Breezy

    • 52
    • 58

    Mostly Sunny

    • 53
    • 63

    Partly Sunny

    • 54
    • 62

    Slight Chance Rain Showers

Today 21 Jul Northern Piscataquis

Partly sunny. Near steady temperature in the mid 70s. South Winds around 15 Mph with Gusts up to 30 Mph.

Tonight 21 Jul Northern Piscataquis

Isolated Thunderstorms. A chance of rain in the Evening, then rain after midnight. Patchy fog after midnight. Lows in the upper 50s. Southeast Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Katahdin Temperature Statistics

July Temperature

Millinocket, Millinocket Municipal Airport (20.5 miles)

  • Lowest 18 July, 2026

    51.7 °F

  • Average July

    71.1 °F

  • Highest 2 July, 2026

    93.7 °F

Climate (2021–2026)

Millinocket, Millinocket Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    54.9 °F
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