Grindstone Weather Forecast

    • 65
    • 78

    Mostly Sunny

    • 66
    • 77

    Rain Showers

    • 62
    • 78

    Partly Sunny

    • 61
    • 77

    Mostly Sunny

    • 64
    • 78

    Mostly Sunny

    • 67
    • 78

    Slight Chance Thunderstorms

    • 68
    • 80

    Slight Chance Thunderstorms

Today 8 Jul Jefferson

Sunny. Highs in the lower 80s. Southwest Winds 10 Mph or less.

Tonight 8 Jul Jefferson

Mainly clear through the early Overnight, then becoming partly cloudy. Lows Ranging from the lower 60s on the tug hill to the mid 60s across the lower Elevations. Light south Winds.

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Grindstone Temperature Statistics

July Temperature

Watertown, Watertown International Airport (20.5 miles)

  • Lowest 5 July, 2026

    54.6 °F

  • Average July

    74.2 °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

    48.2 °F

  • Average High 2021–2026

    57.5 °F
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