Purchase Weather Forecast

    • 49
    • 66

    Mostly Sunny

    • 52
    • 67

    Partly Sunny

    • 54
    • 67

    Chance Rain Showers

    • 53
    • 64

    Rain Showers Likely

    • 54
    • 65

    Chance Rain Showers

    • 54
    • 68

    Partly Sunny

Today 23 Sep Southern Westchester

Mostly sunny. Highs in the lower 70s.

Tonight 23 Sep Southern Westchester

Mostly clear. Lows around 50. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Purchase Temperature Statistics

September Temperature

White Plains - Westchester County Airport (1.2 miles)

  • Lowest 15 September, 2026

    51.1 °F

  • Average September

    68.3 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

White Plains - Westchester County Airport (1.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    62.3 °F
Get WillyWeather+ to remove ads