Short Beach Weather Forecast

    • 65
    • 81

    Increasing Clouds

    • 71
    • 82

    Partly Sunny

    • 65
    • 85

    Chance Rain Showers

    • 61
    • 77

    Mostly Sunny

    • 64
    • 76

    Slight Chance Rain Showers

    • 65
    • 79

    Slight Chance Rain Showers

Today 8 Sep Northwest Suffolk

Sunny. Highs around 80. Northwest Winds 5 to 10 Mph.

Tonight 8 Sep Northwest Suffolk

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

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  • Temperature Real-Time

Short Beach Temperature Statistics

September Temperature

Islip, Long Island Mac Arthur Airport (9.9 miles)

  • Lowest 2 September, 2026

    65.6 °F

  • Average September

    74.3 °F

  • Highest 3 September, 2026

    85.6 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (9.9 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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