Allagash Wilderness Waterway State Park Weather Forecast

    • 46
    • 68

    Rain Showers Likely

    • 46
    • 63

    Rain Showers Likely

    • 49
    • 67

    Rain Showers

    • 50
    • 75

    Rain Showers Likely

    • 50
    • 70

    Rain Showers Likely

    • 50
    • 73

    Chance Rain Showers

Today 19 Jun Northern Piscataquis

Mostly cloudy this Morning, then becoming partly sunny. Scattered Showers. Isolated Thunderstorms this afternoon. Highs in the upper 60s. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 19 Jun Northern Piscataquis

Mostly cloudy with a 50 percent chance of Showers. Patchy fog after midnight. Lows in the upper 40s. West Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Allagash Wilderness Waterway State Park Temperature Statistics

June Temperature

Clayton Lake (23.6 miles)

  • Lowest 1 June, 2026

    32 °F

  • Average June

    63.7 °F

  • Highest 10 June, 2026

    85.8 °F

Climate (2021–2026)

Clayton Lake (23.6 miles)

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  • Average Low 2021–2026

    31.7 °F

  • Average 2021–2026

    42.2 °F

  • Average High 2021–2026

    51.4 °F
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