Lost Nation State Forest Weather Forecast

    • 24
    • 31

    Snow

    • 29
    • 34

    Snow Showers Likely

    • 30
    • 40

    Chance Rain Showers

    • 34
    • 43

    Rain/Snow

    • 17
    • 35

    Chance Snow Showers

    • 30
    • 37

    Chance Rain/Snow

Today 15 Dec Jefferson

Scattered snow Showers late this Morning, then lake effect snow Showers likely early this afternoon. Lake effect snow late. Accumulation 2 to 4 Inches in the most persistent Snows. Highs Ranging from the mid 20s inland to the upper 20s along the lake Ontario shore. West Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph. Chance of snow near 100 percent.

Tonight 15 Dec Jefferson

Lake effect snow. Snow may be heavy at Times. Additional accumulation 7 to 13 Inches in the most persistent Snows. Lows Ranging from 10 to 15 across the tug hill to 15 to 20 along the lake Ontario shore. Southwest Winds 10 to 15 Mph, becoming light. Chance of snow near 100 percent.

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Lost Nation State Forest Temperature Statistics

December Temperature

Watertown, Watertown International Airport (16.2 miles)

  • Lowest 5 December, 2025

    -6 °F

  • Average December

    23 °F

  • Highest 3 December, 2025

    36 °F

Climate (2020–Present)

Watertown, Watertown International Airport (16.2 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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