Gravely Bay Weather Forecast

    • 27
    • 32

    Snow

    • 21
    • 41

    Rain/Snow

    • 21
    • 25

    Chance Snow Showers

    • 26
    • 31

    Snow Showers Likely

    • 21
    • 32

    Snow Showers Likely

    • 12
    • 23

    Chance Snow Showers

    • 19
    • 25

    Chance Snow Showers

Today 9 Dec Jefferson

Cloudy. Snow Showers likely late. Little or no accumulation. Windy, cold with Highs Ranging from the mid 20s inland to the upper 20s along the lake Ontario shore. South Winds 10 to 15 Mph, increasing to 20 to 30 Mph. Chance of snow 70 percent.

Tonight 9 Dec Jefferson

Snow likely. Accumulation 2 to 4 Inches. Windy and not as cold. Early evening Lows 15 to 20, then Temperatures rising to the mid 20s on the tug hill and to the upper 20s across the lower Elevations. South Winds 20 to 30 Mph, Diminishing to 10 to 15 Mph. Chance of snow 70 percent.

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Gravely Bay Temperature Statistics

December Temperature

Watertown, Watertown International Airport (16.8 miles)

  • Lowest 5 December, 2025

    -6 °F

  • Average December

    23.1 °F

  • Highest 3 December, 2025

    36 °F

Climate (2020–Present)

Watertown, Watertown International Airport (16.8 miles)

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  • Average Low 2020–2025

    38.8 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    57.6 °F
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