Potsdam Weather Forecast

    • 23
    • 36

    Mostly Cloudy

    • 32
    • 41

    Rain/Snow Likely

    • 21
    • 49

    Rain Likely

    • 12
    • 28

    Partly Sunny

    • 21
    • 32

    Slight Chance Snow

    • 26
    • 39

    Mostly Cloudy

Today 24 Mar Southwestern St. Lawrence

Partly sunny. Highs in the mid 30s. Light and variable Winds, becoming southwest 10 to 15 Mph in the afternoon.

Tonight 24 Mar Southwestern St. Lawrence

Partly cloudy. Lows in the lower 20s. Southwest Winds around 10 Mph.

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Potsdam Temperature Statistics

March Temperature

Massena, Massena International-Richards Field (19.3 miles)

  • Lowest 2 March, 2026

    -15.4 °F

  • Average March

    30.1 °F

  • Highest 16 March, 2026

    68.6 °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

    46.2 °F

  • Average High 2021–2026

    55.9 °F
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