Dexter Weather Forecast

    • 2
    • 26

    Snow

    • 6
    • 18

    Partly Sunny

    • 24
    • 33

    Snow Showers

    • 20
    • 38

    Rain/Snow

    • 16
    • 29

    Chance Snow Showers

    • 9
    • 27

    Chance Snow Showers

Today 7 Dec Jefferson

Snow. Accumulation Ranging from 1 to 2 Inches across the lower Elevations to 2 to 3 Inches on the tug hill. Cold with Highs in the mid 20s. Light east Winds. Chance of snow 90 percent.

Tonight 7 Dec Jefferson

Mostly cloudy. Snow in the Evening, then a chance of snow Showers overnight. Additional accumulation 1 to 2 Inches. Much Colder with Lows Ranging from zero to 5 above across the tug hill to 5 to 10 above along the lake Ontario shore. Light north Winds. Chance of snow 80 percent.

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Dexter Temperature Statistics

December Temperature

Watertown, Watertown International Airport (1.2 miles)

  • Lowest 5 December, 2025

    -6 °F

  • Average December

    21.9 °F

  • Highest 3 December, 2025

    36 °F

Climate (2020–Present)

Watertown, Watertown International Airport (1.2 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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