Grindstone Weather Forecast

    • 66
    • 81

    Patchy Smoke

    • 60
    • 79

    Partly Sunny

    • 63
    • 75

    Partly Sunny

    • 61
    • 73

    Chance Rain Showers

    • 61
    • 75

    Chance Rain Showers

    • 65
    • 76

    Chance Rain Showers

Today 15 Jul Jefferson

Partly to mostly sunny. Smoke. Highs Ranging from the mid 70s on the tug hill to the lower 80s across the lower Elevations. Northwest Winds 10 to 15 Mph.

Tonight 15 Jul Jefferson

Partly cloudy. Smoke. Lows Ranging from the lower 60s across the tug hill to the upper 60s along the lake Ontario shore. Northwest Winds 10 to 15 Mph, becoming light.

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Grindstone Temperature Statistics

July Temperature

Watertown, Watertown International Airport (20.5 miles)

  • Lowest 12 July, 2026

    49.6 °F

  • Average July

    72.4 °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

    57.5 °F
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