Sans Souci County Park Weather Forecast

    • 69
    • 83

    Chance Rain Showers

    • 72
    • 79

    Chance Rain Showers

    • 73
    • 88

    Mostly Sunny

    • 74
    • 91

    Mostly Sunny

    • 72
    • 89

    Chance Rain Showers

    • 67
    • 82

    Chance Rain Showers

    • 64
    • 81

    Mostly Sunny

Today 26 Jul Southwest Suffolk

Mostly sunny. Hazy. Highs in the mid 80s. Southeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 26 Jul Southwest Suffolk

Mostly cloudy. Lows around 70. South Winds 5 to 10 Mph.

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Sans Souci County Park Temperature Statistics

July Temperature

Islip, Long Island Mac Arthur Airport (2.5 miles)

  • Lowest 23 July, 2025

    63.6 °F

  • Average July

    78 °F

  • Highest 8 July, 2025

    92.6 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (2.5 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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