Potsdam Weather Forecast

    • 8
    • 41

    Snow Likely

    • 6
    • 13

    Chance Snow

    • -2
    • 20

    Snow Likely

    • 3
    • 11

    Mostly Cloudy

    • 8
    • 18

    Chance Snow Showers

    • 2
    • 18

    Chance Snow Showers

Today 29 Dec Southwestern St. Lawrence

Mostly cloudy. Rain or freezing rain this Morning, then a chance of snow or rain Showers this afternoon. Snow accumulation up to 1 inch. Highs in the lower 40s. Temperature falling to around 30 this afternoon. South Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming southwest 15 to 20 Mph with Gusts up to 50 Mph this afternoon. Chance of precipitation 90 percent.

Tonight 29 Dec Southwestern St. Lawrence

Snow likely. Snow accumulation around an inch. Lows around 8 above. Southwest Winds 15 to 20 Mph. Gusts up to 45 Mph, decreasing to 35 Mph after midnight. Chance of snow 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Potsdam Temperature Statistics

December Temperature

Massena, Massena International-Richards Field (19.3 miles)

  • Lowest 9 December, 2025

    -14.1 °F

  • Average December

    20.1 °F

  • Highest 19 December, 2025

    55.9 °F

Climate (2020–Present)

Massena, Massena International-Richards Field (19.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    36.4 °F

  • Average 2020–2025

    46.4 °F

  • Average High 2020–2025

    56 °F
Get WillyWeather+ to remove ads