Grandview Park Weather Forecast

    • 3
    • 16

    Increasing Clouds

    • 24
    • 30

    Snow

    • 16
    • 35

    Rain/Snow

    • 14
    • 24

    Chance Snow Showers

    • 17
    • 25

    Snow Showers Likely

    • 9
    • 23

    Chance Snow Showers

Today 8 Dec Jefferson

Sunny, cold with Highs Ranging from 10 to 15 inland to 15 to 20 along the lake Ontario shore. Light Winds.

Tonight 8 Dec Jefferson

Partly to mostly cloudy. Cold with Lows Ranging from zero to 5 below across the tug hill to zero to 5 above along the lake Ontario shore. Light south Winds.

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Grandview Park Temperature Statistics

December Temperature

Watertown, Watertown International Airport (22.4 miles)

  • Lowest 5 December, 2025

    -6 °F

  • Average December

    23.2 °F

  • Highest 3 December, 2025

    36 °F

Climate (2020–Present)

Watertown, Watertown International Airport (22.4 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    57.6 °F
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