Grandview Park Weather Forecast

    • 54
    • 69

    Mostly Sunny

    • 66
    • 76

    Partly Sunny

    • 58
    • 76

    Chance Rain Showers

    • 55
    • 67

    Partly Sunny

    • 62
    • 74

    Rain Showers Likely

    • 58
    • 71

    Chance Rain Showers

Today 11 Sep Jefferson

Some patchy fog Early, otherwise sunny. Highs Ranging from the mid 60s on the tug hill to the upper 60s across the lower Elevations. Light Winds.

Tonight 11 Sep Jefferson

Mainly clear with some patchy fog developing overnight. Lows Ranging from the upper 40s across the tug hill to the lower 50s along the lake Ontario shore. Light Winds.

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Grandview Park Temperature Statistics

September Temperature

Watertown, Watertown International Airport (22.4 miles)

  • Lowest 7 September, 2026

    47.6 °F

  • Average September

    67 °F

  • Highest 2 September, 2026

    83.6 °F

Climate (2021–2026)

Watertown, Watertown International Airport (22.4 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.6 °F
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