Hartsdale Weather Forecast

    • 58
    • 75

    Chance Rain Showers

    • 60
    • 69

    Chance Rain Showers

    • 60
    • 80

    Partly Sunny

    • 54
    • 83

    Mostly Sunny

    • 52
    • 70

    Mostly Sunny

    • 56
    • 72

    Partly Sunny

Today 16 Sep Southern Westchester

Partly sunny. Highs in the mid 70s. East Winds 10 to 15 Mph.

Tonight 16 Sep Southern Westchester

Mostly cloudy. A chance of Showers in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows around 60. East Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 50 percent.

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Hartsdale Temperature Statistics

September Temperature

White Plains - Westchester County Airport (5.6 miles)

  • Lowest 8 September, 2025

    48.9 °F

  • Average September

    66 °F

  • Highest 6 September, 2025

    82 °F

Climate (2020–Present)

White Plains - Westchester County Airport (5.6 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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