Sackets Harbor Weather Forecast

    • 43
    • 46

    Rain Showers

    • 21
    • 46

    Rain/Snow

    • 28
    • 38

    Rain/Snow Likely

    • 16
    • 35

    Chance Snow Showers

    • 20
    • 27

    Snow Showers Likely

    • 25
    • 36

    Snow Showers Likely

Today 18 Dec Jefferson

Partly sunny and windy. Highs in the mid 40s. South Winds 10 to 15 Mph, increasing to 20 to 30 Mph with Gusts up to 45 Mph.

Tonight 18 Dec Jefferson

Showers. Very windy and not as cold with Lows in the lower 40s. South Winds 30 to 40 Mph with Gusts up to 60 Mph. Chance of rain near 100 percent.

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  • Temperature Real-Time

Sackets Harbor Temperature Statistics

December Temperature

Watertown, Watertown International Airport (5.6 miles)

  • Lowest 5 December, 2025

    -6 °F

  • Average December

    22.6 °F

  • Highest 3 December, 2025

    36 °F

Climate (2020–Present)

Watertown, Watertown International Airport (5.6 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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