Long Island South Weather Forecast

    • 64
    • 70

    Rain Showers

    • 63
    • 68

    Chance Rain Showers

    • 65
    • 76

    Mostly Sunny

    • 69
    • 77

    Partly Sunny

    • 69
    • 74

    Rain Showers Likely

    • 65
    • 76

    Chance Thunderstorms

Today 20 Aug Southern Westchester

Mostly cloudy. A slight chance of Showers this Morning, then Showers likely this afternoon. Highs in the lower 70s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 20 Aug Southern Westchester

Showers with a slight chance of Thunderstorms in the Evening, then Showers likely after midnight. Lows in the lower 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

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Long Island South Temperature Statistics

August Temperature

White Plains - Westchester County Airport (10.6 miles)

  • Lowest 9 August, 2025

    56.6 °F

  • Average August

    74.2 °F

  • Highest 12 August, 2025

    90.6 °F

Climate (2020–Present)

White Plains - Westchester County Airport (10.6 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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