Old Westbury Weather Forecast

    • 66
    • 75

    Rain Showers Likely

    • 64
    • 82

    Rain Showers Likely

    • 61
    • 80

    Mostly Sunny

    • 62
    • 79

    Mostly Sunny

    • 66
    • 81

    Partly Sunny

    • 67
    • 81

    Chance Rain Showers

Today 22 Aug Northern Nassau

Partly sunny. Highs in the mid 70s. East Winds around 5 Mph.

Tonight 22 Aug Northern Nassau

Mostly cloudy. Patchy fog. Showers likely with a slight chance of Thunderstorms after midnight. Humid with Lows in the upper 60s. East Winds 5 to 10 Mph. Chance of rain 60 percent.

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Old Westbury Temperature Statistics

August Temperature

Farmingdale - Republic Airport (9.9 miles)

  • Lowest 4 August, 2026

    64.9 °F

  • Average August

    77 °F

  • Highest 9 August, 2026

    90 °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

    63.1 °F
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