Potsdam Weather Forecast

    • 20
    • 68

    Sleet

    • 9
    • 22

    Chance Snow Showers

    • 22
    • 29

    Mostly Cloudy

    • 28
    • 40

    Chance Rain

    • 26
    • 41

    Rain Likely

    • 21
    • 38

    Chance Snow

Today 16 Mar Southwestern St. Lawrence

Partly sunny. A chance of Showers with a slight chance of Thunderstorms this Morning, then Showers this afternoon. Breezy and much warmer with Highs in the mid 60s. South Winds 15 to 25 Mph. Gusts up to 55 Mph, decreasing to 45 Mph this afternoon. Chance of rain 90 percent.

Tonight 16 Mar Southwestern St. Lawrence

Rain or snow Showers with possible snow Squalls or sleet until Midnight, then snow Showers after midnight. Precipitation may be heavy at Times until midnight. Snow and sleet accumulation around an inch. Breezy with Lows around 18. Southwest Winds 15 to 25 Mph. Gusts up to 35 Mph, increasing to 45 Mph after midnight. Chance of precipitation near 100 percent.

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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

    30.7 °F

  • Highest 9 March, 2026

    64 °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

    56 °F
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