Sandy Island Beach State Park Weather Forecast

    • 66
    • 81

    Decreasing Clouds

    • 67
    • 77

    Partly Sunny

    • 67
    • 77

    Mostly Sunny

    • 69
    • 79

    Mostly Sunny

    • 69
    • 80

    Mostly Sunny

    • 72
    • 82

    Partly Sunny

Today 5 Aug Oswego

Partly to mostly sunny. Highs Ranging from the upper 70s on the tug hill to the mid 80s across the lower Elevations. Light Winds.

Tonight 5 Aug Oswego

Mostly cloudy. Hazy. 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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Sandy Island Beach State Park Temperature Statistics

August Temperature

Fulton, Oswego County Airport (21.1 miles)

  • Lowest 2 August, 2025

    48 °F

  • Average August

    62.1 °F

  • Highest 2 August, 2025

    77 °F

Climate (2020–Present)

Fulton, Oswego County Airport (21.1 miles)

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  • Average Low 2020–2025

    41.1 °F

  • Average 2020–2025

    49.7 °F

  • Average High 2020–2025

    58.3 °F
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