Old Westbury Weather Forecast

    • 65
    • 79

    Slight Chance Rain Showers

    • 66
    • 81

    Partly Sunny

    • 67
    • 83

    Mostly Sunny

    • 72
    • 86

    Slight Chance Thunderstorms

    • 76
    • 91

    Mostly Sunny

    • 77
    • 96

    Slight Chance Thunderstorms

Today 27 Jun Northern Nassau

Mostly cloudy. A slight chance of Showers this Morning, then a chance of Showers this afternoon. Highs in the upper 70s. Northeast Winds around 5 Mph, becoming southeast around 5 Mph this afternoon. Chance of rain 30 percent.

Tonight 27 Jun Northern Nassau

Mostly cloudy. A slight chance of Showers in the evening. Lows in the mid 60s. South Winds around 5 Mph, becoming northeast after midnight. Chance of rain 20 percent.

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Old Westbury Temperature Statistics

June Temperature

Farmingdale - Republic Airport (9.9 miles)

  • Lowest 2 June, 2026

    48.9 °F

  • Average June

    71.5 °F

  • Highest 11 June, 2026

    93 °F

Climate (2021–2026)

Farmingdale - Republic Airport (9.9 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    63 °F
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