Grindstone Weather Forecast

    • 20
    • 48

    Rain Showers

    • 27
    • 37

    Rain/Snow Likely

    • 15
    • 31

    Chance Snow Showers

    • 19
    • 24

    Mostly Cloudy

    • 23
    • 35

    Chance Rain/Snow

    • 19
    • 27

    Chance Rain/Snow

Today 19 Dec Jefferson

Rain in the Morning, then snow Showers and rain likely in the afternoon. Patchy blowing snow in the afternoon. Precipitation may be heavy at Times. Visibility one quarter mile or less at Times in the afternoon. Snow accumulation Ranging from an inch or less across the lower Elevations to 3 to 5 Inches on the tug hill. Strong Winds. Early morning Highs Ranging from the mid 40s on the tug hill to the upper 40s across the lower Elevations, then Temperatures falling to the mid 20s on the tug hill and to the lower 30s across the lower Elevations. South Winds 30 to 40 Mph, becoming west and increasing to 35 to 50 Mph. Chance of precipitation near 100 percent.

Tonight 19 Dec Jefferson

Showers. Very windy. Near steady Temperatures Ranging from the lower 40s on the tug hill to the mid 40s across the lower Elevations. South Winds 30 to 40 Mph with Gusts up to 60 Mph. Chance of rain 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

    22.6 °F
  • Highest 3 December, 2025

    36 °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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