Grindstone Weather Forecast

    • 63
    • 77

    Decreasing Clouds

    • 60
    • 75

    Partly Sunny

    • 57
    • 71

    Mostly Sunny

    • 58
    • 72

    Mostly Sunny

    • 59
    • 72

    Slight Chance Rain Showers

    • 58
    • 69

    Chance Rain Showers

Today 3 Sep Jefferson

Partly sunny with a chance of Showers in the Morning, then mostly sunny in the afternoon. Humid with 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. Chance of rain 40 percent.

Tonight 3 Sep Jefferson

Partly cloudy. Lows Ranging from the upper 50s across the tug hill to the lower 60s along the lake Ontario shore. Light Winds.

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Grindstone Temperature Statistics

September Temperature

Watertown, Watertown International Airport (20.5 miles)

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Climate (2021–2026)

Watertown, Watertown International Airport (20.5 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.5 °F
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