Cortlandt Park Weather Forecast

    • 62
    • 91

    Chance Thunderstorms

    • 60
    • 74

    Mostly Cloudy

    • 62
    • 76

    Chance Rain Showers

    • 61
    • 76

    Chance Rain Showers

    • 59
    • 77

    Partly Sunny

    • 62
    • 82

    Mostly Sunny

Today 17 Aug Northern Westchester

Mostly sunny. Humid with Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Heat index Values in the upper 90s in the afternoon.

Tonight 17 Aug Northern Westchester

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the lower 60s. West Winds 5 to 10 Mph, becoming north with Gusts up to 20 Mph after midnight. Chance of rain 40 percent.

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Cortlandt Park Temperature Statistics

August Temperature

White Plains - Westchester County Airport (13.7 miles)

  • Lowest 9 August, 2025

    56.6 °F

  • Average August

    73 °F

  • Highest 12 August, 2025

    90.6 °F

Climate (2020–Present)

White Plains - Westchester County Airport (13.7 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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