Plattsburgh Weather Forecast

    • 50
    • 72

    Becoming Sunny

    • 58
    • 78

    Partly Sunny

    • 55
    • 74

    Mostly Cloudy

    • 65
    • 76

    Rain Showers

    • 53
    • 78

    Slight Chance Rain Showers

    • 51
    • 71

    Mostly Sunny

    • 56
    • 77

    Partly Sunny

Today 6 Sep Eastern Clinton

Mostly sunny. Highs in the lower 70s. North Winds around 10 Mph.

Tonight 6 Sep Eastern Clinton

Clear. Lows around 50. Northwest Winds around 10 Mph until Midnight, becoming light and variable.

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Plattsburgh Temperature Statistics

September Temperature

Plattsburgh International Airport (3.1 miles)

  • Lowest 1 September, 2026

    59 °F

  • Average September

    69.2 °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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