Southside Beach Park Weather Forecast

    • 57
    • 77

    Becoming Sunny

    • 54
    • 67

    Sunny

    • 54
    • 63

    Mostly Sunny

    • 58
    • 69

    Mostly Sunny

    • 62
    • 76

    Sunny

    • 63
    • 77

    Mostly Sunny

    • 65
    • 77

    Mostly Sunny

Today 30 Sep Northern Nassau

Partly sunny. Near steady temperature in the upper 70s. Northeast Winds around 10 Mph.

Tonight 30 Sep Northern Nassau

Mostly cloudy this Evening, then clearing. Lows in the mid 50s. Northeast Winds 15 to 20 Mph.

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Southside Beach Park Temperature Statistics

September Temperature

White Plains - Westchester County Airport (13 miles)

  • Lowest 8 September, 2025

    48.9 °F

  • Average September

    67.2 °F

  • Highest 28 September, 2025

    84 °F

Climate (2020–Present)

White Plains - Westchester County Airport (13 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    62.4 °F
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