Valcour Island Primitive Area Weather Forecast

    • 46
    • 62

    Mostly Sunny

    • 48
    • 65

    Mostly Sunny

    • 51
    • 67

    Mostly Sunny

    • 53
    • 67

    Mostly Cloudy

    • 52
    • 65

    Partly Sunny

    • 53
    • 67

    Partly Sunny

Today 22 Sep Eastern Clinton

Mostly sunny. Highs in the lower 60s. Light and variable Winds, becoming northeast around 10 Mph this afternoon.

Tonight 22 Sep Eastern Clinton

Clear. Lows in the upper 30s, except in the lower 40s along lake Champlain. North Winds around 10 Mph until Midnight, becoming light and variable.

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  • Temperature Real-Time

Valcour Island Primitive Area Temperature Statistics

September Temperature

Plattsburgh International Airport (3.1 miles)

  • Lowest 20 September, 2026

    39.9 °F

  • Average September

    63 °F

  • Highest 3 September, 2026

    82 °F

Climate (2021–2026)

Plattsburgh International Airport (3.1 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    55.8 °F
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