Arthur H Kunz County Park Weather Forecast

    • 56
    • 76

    Becoming Sunny

    • 57
    • 71

    Mostly Sunny

    • 62
    • 76

    Mostly Sunny

    • 64
    • 79

    Slight Chance Rain Showers

    • 60
    • 77

    Partly Sunny

    • 61
    • 73

    Chance Rain Showers

Today 14 Sep Northwest Suffolk

Partly sunny with a slight chance of Showers Early, then sunny this afternoon. Highs in the mid 70s. North Winds 10 to 15 Mph. Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 14 Sep Northwest Suffolk

Clear. Lows in the mid 50s. North Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening.

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Arthur H Kunz County Park Temperature Statistics

September Temperature

Islip, Long Island Mac Arthur Airport (8.7 miles)

  • Lowest 7 September, 2026

    56.6 °F

  • Average September

    72.7 °F

  • Highest 10 September, 2026

    86.6 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (8.7 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63.1 °F
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