Grindstone Weather Forecast

    • 59
    • 76

    Chance Rain Showers

    • 56
    • 74

    Partly Sunny

    • 58
    • 74

    Partly Sunny

    • 61
    • 75

    Chance Rain Showers

    • 61
    • 76

    Partly Sunny

    • 64
    • 77

    Partly Sunny

Today 13 Aug Jefferson

Partly sunny in the Morning, then a chance of Showers in the afternoon. Highs Ranging from the lower 70s on the tug hill to the upper 70s across the lower Elevations. West Winds 10 Mph or less. Chance of rain 40 percent.

Tonight 13 Aug Jefferson

Partly cloudy. A chance of Showers in the evening. Lows Ranging from the mid 50s across the tug hill to the upper 50s along the lake Ontario shore. Light Winds. Chance of rain 30 percent.

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  • Temperature Real-Time

Grindstone Temperature Statistics

August Temperature

Watertown, Watertown International Airport (20.5 miles)

  • Lowest 5 August, 2026

    53.7 °F

  • Average August

    72.4 °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

    48.3 °F

  • Average High 2021–2026

    57.6 °F
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