Old Westbury Weather Forecast

    • 59
    • 71

    Mostly Cloudy

    • 58
    • 72

    Rain

    • 55
    • 69

    Chance Rain Showers

    • 54
    • 65

    Chance Rain Showers

    • 54
    • 66

    Chance Rain Showers

    • 53
    • 65

    Chance Rain Showers

    • 54
    • 66

    Chance Rain Showers

Today 19 Sep Northern Nassau

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

Tonight 19 Sep Northern Nassau

Mostly cloudy. Lows in the upper 50s. Southeast Winds 5 to 10 Mph.

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Old Westbury Temperature Statistics

September Temperature

Farmingdale - Republic Airport (9.9 miles)

  • Lowest 15 September, 2026

    55 °F

  • Average September

    71.6 °F

  • Highest 3 September, 2026

    87.1 °F

Climate (2021–2026)

Farmingdale - Republic Airport (9.9 miles)

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    63 °F
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