Sunken Meadow State Park Weather Forecast

    • 65
    • 83

    Sunny

    • 67
    • 83

    Mostly Sunny

    • 68
    • 82

    Chance Rain Showers

    • 64
    • 82

    Chance Rain Showers

    • 61
    • 80

    Mostly Sunny

    • 60
    • 77

    Mostly Sunny

Today 22 Aug Northwest Suffolk

Sunny. Highs in the lower 80s. North Winds 10 to 15 Mph. Gusts up to 25 Mph this morning.

Tonight 22 Aug Northwest Suffolk

Clear. Lows in the mid 60s. Southwest Winds around 5 Mph.

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Sunken Meadow State Park Temperature Statistics

August Temperature

Islip, Long Island Mac Arthur Airport (11.2 miles)

  • Lowest 9 August, 2025

    56.6 °F

  • Average August

    74.2 °F

  • Highest 4 August, 2025

    89.7 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (11.2 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    63.1 °F
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