Thurso Bay Weather Forecast

    • 27
    • 32

    Chance Snow Showers

    • 24
    • 38

    Chance Rain/Snow

    • 38
    • 42

    Rain Showers

    • 14
    • 38

    Chance Snow Showers

    • 25
    • 32

    Chance Snow Showers

    • 15
    • 32

    Chance Snow Showers

Today 16 Dec Jefferson

Cloudy. Lake effect snow Showers likely late this Morning, then scattered snow Showers early this afternoon. Little or no additional accumulation. Highs Ranging from the upper 20s inland to the lower 30s along the lake Ontario shore. South Winds 5 to 10 Mph, increasing to 10 to 15 Mph. Chance of snow 70 percent.

Tonight 16 Dec Jefferson

Mostly cloudy and windy. Early evening Lows 20 to 25, then Temperatures rising to the upper 20s on the tug hill and to the lower 30s across the lower Elevations. South Winds 20 to 30 Mph.

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Thurso Bay Temperature Statistics

December Temperature

Watertown, Watertown International Airport (21.1 miles)

  • Lowest 5 December, 2025

    -6 °F

  • Average December

    22.5 °F

  • Highest 3 December, 2025

    36 °F

Climate (2020–Present)

Watertown, Watertown International Airport (21.1 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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