Harbor Island Park Weather Forecast

    • 62
    • 71

    Chance Rain Showers

    • 64
    • 68

    Chance Rain Showers

    • 64
    • 76

    Slight Chance Rain Showers

    • 58
    • 78

    Mostly Sunny

    • 57
    • 69

    Partly Sunny

    • 59
    • 70

    Partly Sunny

Today 16 Sep Southern Westchester

Mostly cloudy this Morning, then becoming partly sunny. Highs in the mid 70s. East Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 16 Sep Southern Westchester

Mostly cloudy. A chance of Showers after midnight. Lows in the upper 50s. East Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 50 percent.

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Harbor Island Park Temperature Statistics

September Temperature

White Plains - Westchester County Airport (8.1 miles)

  • Lowest 8 September, 2025

    48.9 °F

  • Average September

    66.2 °F

  • Highest 6 September, 2025

    82 °F

Climate (2020–Present)

White Plains - Westchester County Airport (8.1 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    62.3 °F
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