Plattsburgh Weather Forecast

    • 14
    • 21

    Decreasing Clouds

    • 21
    • 29

    Mostly Cloudy

    • 20
    • 39

    Chance Rain Showers

    • 38
    • 39

    Rain

    • 8
    • 38

    Slight Chance Snow

    • 23
    • 30

    Chance Snow Showers

Today 15 Dec Eastern Clinton

Partly sunny. Highs around 19. West Winds around 10 Mph.

Tonight 15 Dec Eastern Clinton

Mostly cloudy with a slight chance of snow Showers until Midnight, then partly cloudy after midnight. Lows around 13. Light and variable Winds. Chance of snow 20 percent.

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Plattsburgh Temperature Statistics

December Temperature

Plattsburgh International Airport (3.1 miles)

  • Lowest 9 December, 2025

    -9 °F

  • Average December

    20.1 °F

  • Highest 1 December, 2025

    39 °F

Climate (2020–Present)

Plattsburgh International Airport (3.1 miles)

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  • Average Low 2020–2025

    38.4 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    56 °F
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