Grindstone Weather Forecast

    • 60
    • 76

    Chance Thunderstorms

    • 57
    • 72

    Partly Sunny

    • 63
    • 74

    Partly Sunny

    • 65
    • 74

    Chance Rain Showers

    • 65
    • 75

    Chance Rain Showers

    • 65
    • 76

    Chance Rain Showers

Today 27 Aug Jefferson

Partly sunny. A chance of Showers in the Morning, then Showers likely with a chance of Thunderstorms in the afternoon. Highs Ranging from the mid 70s on the tug hill to the upper 70s across the lower Elevations. South Winds 10 to 15 Mph, becoming southwest. Chance of rain 70 percent.

Tonight 27 Aug Jefferson

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly cloudy with a chance of Showers overnight. Lows in the upper 50s. Southwest Winds 5 to 10 Mph, becoming light. Chance of rain 50 percent.

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Grindstone Temperature Statistics

August Temperature

Watertown, Watertown International Airport (20.5 miles)

  • Lowest 16 August, 2026

    47.6 °F

  • Average August

    68.8 °F

  • Highest 5 August, 2026

    87.7 °F

Climate (2021–2026)

Watertown, Watertown International Airport (20.5 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.6 °F
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