Three Mile Bay Weather Forecast

    • 24
    • 32

    Snow Likely

    • 21
    • 39

    Chance Rain Showers

    • 26
    • 44

    Rain/Snow

    • 10
    • 37

    Chance Snow Showers

    • 23
    • 35

    Chance Snow Showers

    • 15
    • 34

    Chance Snow Showers

Today 16 Dec Jefferson

Lake effect snow in the morning. Additional accumulation up to 2 Inches in the most persistent Snows. Highs Ranging from the upper 20s inland to the lower 30s along the lake Ontario shore. Southwest Winds 5 to 10 Mph, becoming south 10 to 15 Mph. Chance of snow 90 percent.

Tonight 16 Dec Jefferson

Mostly cloudy and windy. Not as cold. Early Lows 20 to 25, then Temperatures rising to the mid 20s on the tug hill and to around 30 across the lower Elevations. South Winds 20 to 30 Mph.

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Three Mile Bay Temperature Statistics

December Temperature

Watertown, Watertown International Airport (10.6 miles)

  • Lowest 5 December, 2025

    -6 °F

  • Average December

    23 °F

  • Highest 3 December, 2025

    36 °F

Climate (2020–Present)

Watertown, Watertown International Airport (10.6 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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