Allagash Wilderness Waterway State Park Weather Forecast

    • 28
    • 65

    Sunny

    • 41
    • 71

    Mostly Sunny

    • 42
    • 69

    Mostly Cloudy

    • 43
    • 67

    Slight Chance Rain

    • 40
    • 66

    Chance Rain Showers

    • 41
    • 63

    Chance Rain Showers

Today 23 Sep Northern Piscataquis

Areas of frost with patchy fog this morning. Sunny. Highs in the lower 60s. North Winds around 5 Mph.

Tonight 23 Sep Northern Piscataquis

Clear. Patchy fog. Areas of frost after midnight. Lows in the lower 30s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Allagash Wilderness Waterway State Park Temperature Statistics

September Temperature

Clayton Lake (23.6 miles)

  • Lowest 9 September, 2026

    32 °F

  • Average September

    55.5 °F

  • Highest 7 September, 2026

    74.8 °F

Climate (2021–2026)

Clayton Lake (23.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    31.7 °F

  • Average 2021–2026

    42.1 °F

  • Average High 2021–2026

    51.4 °F
Get WillyWeather+ to remove ads