Potsdam Weather Forecast

    • 41
    • 66

    Partly Sunny

    • 45
    • 69

    Rain

    • 50
    • 58

    Rain

    • 50
    • 71

    Chance Rain Showers

    • 53
    • 78

    Slight Chance Rain Showers

    • 50
    • 75

    Partly Sunny

Today 22 May Southwestern St. Lawrence

Partly sunny. Highs in the mid 60s. Light and variable Winds, becoming northeast around 10 Mph this afternoon.

Tonight 22 May Southwestern St. Lawrence

Partly cloudy. Lows in the lower 40s. Northeast Winds around 10 Mph until Midnight, becoming light and variable.

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  • Temperature Real-Time

Potsdam Temperature Statistics

May Temperature

Massena, Massena International-Richards Field (19.3 miles)

  • Lowest 9 May, 2026

    30.7 °F

  • Average May

    53.6 °F

  • Highest 18 May, 2026

    86 °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

    46.1 °F

  • Average High 2021–2026

    55.8 °F
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