Grindstone Weather Forecast

    • 62
    • 69

    Chance Rain Showers

    • 61
    • 75

    Slight Chance Thunderstorms

    • 64
    • 77

    Partly Sunny

    • 64
    • 77

    Rain Showers Likely

    • 61
    • 74

    Rain Showers Likely

    • 62
    • 76

    Mostly Sunny

    • 64
    • 78

    Mostly Sunny

Today 29 Jul Jefferson

Showers with a chance of Thunderstorms. Highs Ranging from the upper 60s on the tug hill to the lower 70s across the lower Elevations. North Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 29 Jul Jefferson

Cloudy. A chance of Showers through the early overnight. Lows Ranging from the mid 50s on the tug hill to the upper 50s across the lower Elevations. Light northeast Winds. Chance of rain 50 percent.

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  • Temperature Real-Time

Grindstone Temperature Statistics

July Temperature

Watertown, Watertown International Airport (20.5 miles)

  • Lowest 17 July, 2026

    47.6 °F

  • Average July

    70.1 °F

  • Highest 1 July, 2026

    91.7 °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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