Grindstone Weather Forecast

    • 27
    • 33

    Rain Showers

    • 11
    • 43

    Rain Showers

    • 13
    • 18

    Snow Showers Likely

    • 4
    • 23

    Snow Showers Likely

    • 9
    • 15

    Chance Snow Showers

    • 14
    • 21

    Chance Snow Showers

    • 12
    • 24

    Chance Snow Showers

Today 28 Dec Jefferson

Mostly cloudy. A chance of rain Showers and freezing rain late. Highs in the upper 30s. Light east Winds. Chance of precipitation 50 percent.

Tonight 28 Dec Jefferson

Rain Showers and freezing rain through the early Overnight, then rain Showers late. Ice accumulation of up to one third of an inch. Windy. Early evening Lows in the lower 30s, then Temperatures rising into the lower 40s. Light Winds, becoming southeast 20 to 30 Mph. Chance of precipitation near 100 percent.

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Grindstone Temperature Statistics

December Temperature

Watertown, Watertown International Airport (20.5 miles)

  • Lowest 5 December, 2025

    -6 °F

  • Average December

    25.5 °F

  • Highest 19 December, 2025

    55 °F

Climate (2020–Present)

Watertown, Watertown International Airport (20.5 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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