Potsdam Weather Forecast

    • 66
    • 81

    Chance Rain Showers

    • 65
    • 82

    Chance Rain Showers

    • 62
    • 80

    Partly Sunny

    • 62
    • 80

    Rain Showers Likely

    • 59
    • 78

    Chance Rain Showers

    • 58
    • 77

    Chance Rain Showers

    • 54
    • 75

    Chance Rain Showers

Today 7 Aug Southwestern St. Lawrence

Patchy dense fog this morning. Partly sunny. Highs in the mid 80s. Light and variable Winds.

Tonight 7 Aug Southwestern St. Lawrence

Mostly cloudy with isolated Showers and Thunderstorms until Midnight, then partly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 60s. Light and variable Winds. Chance of rain 40 percent.

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Potsdam Temperature Statistics

August Temperature

Massena, Massena International-Richards Field (19.3 miles)

  • Lowest 5 August, 2026

    55 °F
  • Average August

    71.2 °F
  • Highest 5 August, 2026

    86 °F

Climate (2021–2026)

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

    56 °F
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