Plessis Weather Forecast

    • 0
    • 17

    Mostly Cloudy

    • 10
    • 24

    Snow Likely

    • 22
    • 29

    Chance Snow Showers

    • 19
    • 37

    Chance Rain Showers

    • 29
    • 43

    Rain/Snow

    • 7
    • 33

    Chance Snow Showers

    • 25
    • 33

    Chance Rain/Snow

Today 14 Dec Jefferson

Mostly cloudy Early, then becoming partly sunny. Cold with near steady Temperatures Ranging from between 10 and 15 inland to between 15 and 20 along the lake Ontario shore. North Winds 5 to 10 Mph.

Tonight 14 Dec Jefferson

Partly to mostly cloudy. Scattered Flurries after midnight. Cold with Lows Ranging from zero to 5 below across the tug hill to zero to 5 above along the lake Ontario shore. Northwest Winds 5 to 10 Mph, becoming light.

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Plessis Temperature Statistics

December Temperature

Fort Drum / Wheeler-Sack U. S. Army Airfield (16.2 miles)

  • Lowest 5 December, 2025

    -2.6 °F

  • Average December

    19.8 °F

  • Highest 10 December, 2025

    35.8 °F

Climate (2020–Present)

Fort Drum / Wheeler-Sack U. S. Army Airfield (16.2 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    56.1 °F
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