Potsdam Weather Forecast

    • 2
    • 21

    Snow

    • 0
    • 13

    Partly Sunny

    • 21
    • 28

    Snow

    • 19
    • 36

    Rain/Snow

    • 14
    • 26

    Chance Snow Showers

    • 7
    • 24

    Chance Snow Showers

Today 7 Dec Southwestern St. Lawrence

A chance of light snow this Morning, then light snow this afternoon. Snow accumulation of 1 to 3 Inches. Highs in the lower 20s. Light and variable Winds, becoming northeast around 10 Mph this afternoon. Chance of snow near 100 percent.

Tonight 7 Dec Southwestern St. Lawrence

Mostly cloudy. Light snow until Midnight, then a chance of snow Showers after midnight. Total snow accumulation of 2 to 4 Inches. Lows around 2 above. Northwest Winds around 10 Mph. Chance of snow 90 percent.

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Potsdam Temperature Statistics

December Temperature

Massena, Massena International-Richards Field (19.3 miles)

  • Lowest 5 December, 2025

    -9.9 °F

  • Average December

    17.8 °F

  • Highest 3 December, 2025

    33.1 °F

Climate (2020–Present)

Massena, Massena International-Richards Field (19.3 miles)

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  • Average Low 2020–2025

    36.6 °F

  • Average 2020–2025

    46.6 °F

  • Average High 2020–2025

    56.2 °F
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