Long Island South Weather Forecast

    • 69
    • 75

    Mostly Cloudy

    • 71
    • 79

    Mostly Cloudy

    • 61
    • 77

    Partly Sunny

    • 63
    • 67

    Mostly Cloudy

    • 62
    • 69

    Chance Rain Showers

    • 61
    • 68

    Chance Rain Showers

    • 60
    • 66

    Chance Rain Showers

Today 16 Sep Southern Westchester

Partly sunny with a 30 percent chance of Showers. Highs in the upper 60s.

Tonight 16 Sep Southern Westchester

Partly cloudy. Patchy fog after midnight. Lows in the mid 60s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Long Island South Temperature Statistics

September Temperature

White Plains - Westchester County Airport (10.6 miles)

  • Lowest 7 September, 2026

    53.1 °F

  • Average September

    69.4 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

White Plains - Westchester County Airport (10.6 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    62.3 °F
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