Sunken Meadow State Park Weather Forecast

    • 73
    • 84

    Chance Rain Showers

    • 72
    • 88

    Chance Thunderstorms

    • 70
    • 84

    Chance Rain Showers

    • 69
    • 81

    Rain Showers Likely

    • 68
    • 80

    Chance Thunderstorms

    • 68
    • 80

    Chance Rain Showers

Today 7 Jul Northwest Suffolk

Patchy fog in the morning. Mostly cloudy with a chance of Showers in the Morning, then partly sunny with a chance of Showers with a slight chance of Thunderstorms in the afternoon. Humid with Highs in the mid 80s. South Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 7 Jul Northwest Suffolk

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Humid with Lows in the lower 70s. South Winds 10 to 15 Mph. Chance of rain 50 percent.

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Sunken Meadow State Park Temperature Statistics

July Temperature

Islip, Long Island Mac Arthur Airport (11.2 miles)

  • Lowest 4 July, 2025

    64.9 °F

  • Average July

    75.7 °F

  • Highest 3 July, 2025

    90 °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 °F
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