Grindstone Weather Forecast

    • 58
    • 73

    Chance Thunderstorms

    • 61
    • 74

    Mostly Sunny

    • 69
    • 78

    Partly Sunny

    • 69
    • 83

    Chance Thunderstorms

    • 65
    • 78

    Chance Thunderstorms

    • 64
    • 76

    Slight Chance Rain Showers

Today 3 Jul Jefferson

Partly sunny with a 50 percent chance of Showers and Thunderstorms. Highs Ranging from the lower 70s on the tug hill to the upper 70s across the lower Elevations. Light Winds, becoming west 5 to 10 Mph.

Tonight 3 Jul Jefferson

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mainly clear overnight with some patchy fog developing overnight. Lows Ranging from the mid 50s across the tug hill to the upper 50s along the lake Ontario shore. Light Winds. Chance of rain 40 percent.

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Grindstone Temperature Statistics

July Temperature

Watertown, Watertown International Airport (20.5 miles)

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Climate (2020–Present)

Watertown, Watertown International Airport (20.5 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    57.7 °F
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