Grandview Park Weather Forecast

    • 37
    • 72

    Rain Showers

    • 28
    • 43

    Rain/Snow Likely

    • 27
    • 37

    Partly Sunny

    • 36
    • 42

    Chance Rain Showers

    • 35
    • 51

    Partly Sunny

    • 40
    • 52

    Mostly Cloudy

Today 18 Apr Jefferson

Partly to mostly sunny. Breezy, warm with Highs Ranging from around 70 along the lake Ontario shore to the mid 70s inland. South Winds 10 to 20 Mph with Gusts up to 40 Mph.

Tonight 18 Apr Jefferson

Rain Showers. Locally heavy rainfall possible in the evening. Breezy, cooler with Lows in the mid 30s. South Winds 10 to 20 Mph with Gusts up to 40 Mph, becoming west 5 to 10 Mph. Chance of rain near 100 percent.

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Grandview Park Temperature Statistics

April Temperature

Watertown, Watertown International Airport (22.4 miles)

  • Lowest 8 April, 2026

    12.7 °F

  • Average April

    46 °F

  • Highest 3 April, 2026

    73.7 °F

Climate (2021–Present)

Watertown, Watertown International Airport (22.4 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    57.5 °F
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