Potsdam Weather Forecast

    • 20
    • 30

    Mostly Cloudy

    • 37
    • 45

    Rain Showers Likely

    • 34
    • 58

    Rain Showers

    • 37
    • 45

    Partly Sunny

    • 38
    • 56

    Partly Sunny

    • 39
    • 52

    Rain

    • 27
    • 56

    Rain Likely

Today 5 Mar Southwestern St. Lawrence

Partly sunny. Highs in the mid 30s. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 5 Mar Southwestern St. Lawrence

Mostly cloudy until Midnight, then becoming partly cloudy. A 20 percent chance of freezing rain. Lows in the lower 20s. Northeast Winds around 10 Mph. Gusts up to 25 Mph until midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potsdam Temperature Statistics

March Temperature

Massena, Massena International-Richards Field (19.3 miles)

  • Lowest 2 March, 2026

    -15 °F

  • Average March

    13 °F

  • Highest 3 March, 2026

    39 °F

Climate (2021–Present)

Massena, Massena International-Richards Field (19.3 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    55.9 °F
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