Old Westbury Weather Forecast

    • 65
    • 81

    Chance Thunderstorms

    • 66
    • 84

    Mostly Sunny

    • 69
    • 85

    Mostly Sunny

    • 75
    • 92

    Mostly Sunny

    • 75
    • 97

    Hot

    • 72
    • 90

    Partly Sunny

Today 11 Jul Northern Nassau

Mostly cloudy. A slight chance of Showers Early, then a chance of Showers. A chance of Thunderstorms this afternoon. Humid with Highs in the lower 80s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 11 Jul Northern Nassau

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then mostly clear after midnight. Lows in the mid 60s. Northeast Winds around 5 Mph. Chance of rain 30 percent.

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Old Westbury Temperature Statistics

July Temperature

Farmingdale - Republic Airport (9.9 miles)

  • Lowest 7 July, 2026

    63 °F

  • Average July

    77 °F

  • Highest 3 July, 2026

    100.9 °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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