Potsdam Weather Forecast

    • -12
    • 11

    Snow Showers

    • -6
    • 4

    Chance Snow Showers

    • -9
    • 10

    Cold

    • -3
    • 12

    Partly Sunny

    • 7
    • 20

    Partly Sunny

    • -1
    • 23

    Mostly Cloudy

Today 29 Jan Southwestern St. Lawrence

Partly sunny with isolated snow Showers. Highs around 11. Northwest Winds around 10 Mph. Chance of snow 20 percent.

Tonight 29 Jan Southwestern St. Lawrence

Partly cloudy. Much Colder with Lows around 14 below. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potsdam Temperature Statistics

January Temperature

Massena, Massena International-Richards Field (19.3 miles)

  • Lowest 24 January, 2026

    -19.4 °F

  • Average January

    15.9 °F

  • Highest 9 January, 2026

    49.6 °F

Climate (2021–Present)

Massena, Massena International-Richards Field (19.3 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    46.3 °F

  • Average High 2021–2026

    55.9 °F
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