Old Westbury Weather Forecast

    • 74
    • 91

    Slight Chance Thunderstorms

    • 71
    • 92

    Mostly Sunny

    • 75
    • 91

    Chance Rain Showers

    • 71
    • 91

    Chance Rain Showers

    • 70
    • 87

    Chance Rain Showers

    • 69
    • 87

    Slight Chance Thunderstorms

Today 8 Aug Northern Nassau

Partly sunny with a chance of Thunderstorms with a slight chance of Showers. Some Thunderstorms may be severe with damaging Winds. Near steady temperature in the upper 80s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 30 percent. Heat index Values in the upper 90s.

Tonight 8 Aug Northern Nassau

Partly cloudy with a chance of Thunderstorms with a slight chance of Showers in the Evening, then mostly clear after midnight. Some Thunderstorms may be severe with damaging Winds. Humid with Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 30 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Old Westbury Temperature Statistics

August Temperature

Farmingdale - Republic Airport (9.9 miles)

  • Lowest 4 August, 2026

    64.9 °F

  • Average August

    76.7 °F

  • Highest 6 August, 2026

    86 °F

Climate (2021–2026)

Farmingdale - Republic Airport (9.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    63.1 °F
Get WillyWeather+ to remove ads