Chesuncook Lake House SPB Weather Forecast

    • 34
    • 62

    Sunny

    • 35
    • 64

    Sunny

    • 41
    • 69

    Mostly Sunny

    • 45
    • 68

    Partly Sunny

    • 45
    • 66

    Mostly Cloudy

    • 42
    • 67

    Slight Chance Rain Showers

    • 43
    • 65

    Mostly Cloudy

Today 22 Sep Northern Piscataquis

Partly sunny. Highs in the upper 60s.

Tonight 22 Sep Northern Piscataquis

Clear. Patchy fog. Widespread frost after midnight. Lows in the lower 30s. North Winds around 5 Mph.

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Chesuncook Lake House SPB Temperature Statistics

September Temperature

Clayton Lake (38.5 miles)

  • Lowest 9 September, 2026

    32 °F

  • Average September

    55.8 °F

  • Highest 7 September, 2026

    74.8 °F

Climate (2021–2026)

Clayton Lake (38.5 miles)

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  • Average Low 2021–2026

    31.7 °F

  • Average 2021–2026

    42.1 °F

  • Average High 2021–2026

    51.4 °F
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