Mount Katahdin Weather Forecast

    • 44
    • 55

    Rain Showers

    • 41
    • 51

    Rain Showers Likely

    • 47
    • 53

    Breezy

    • 53
    • 62

    Mostly Sunny

    • 58
    • 78

    Partly Sunny

    • 59
    • 76

    Slight Chance Thunderstorms

Today 6 Jun Northern Piscataquis

Cloudy. Scattered Showers this Morning, then Showers this afternoon. Highs in the upper 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

Tonight 6 Jun Northern Piscataquis

Cloudy with isolated Thunderstorms. Showers, mainly in the evening. Lows in the upper 40s. South Winds 5 to 10 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Katahdin Temperature Statistics

June Temperature

Millinocket, Millinocket Municipal Airport (20.5 miles)

  • Lowest 1 June, 2026

    33.7 °F

  • Average June

    60.5 °F

  • Highest 4 June, 2026

    87.1 °F

Climate (2021–Present)

Millinocket, Millinocket Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    54.9 °F
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