Old Bethpage Weather Forecast

    • 68
    • 79

    Rain Showers Likely

    • 65
    • 80

    Rain Showers

    • 58
    • 76

    Mostly Sunny

    • 60
    • 73

    Partly Sunny

    • 64
    • 76

    Partly Sunny

    • 64
    • 79

    Chance Rain Showers

Today 12 Sep Southern Nassau

Sunny in the Morning, then becoming partly sunny. Highs in the upper 70s. East Winds 5 to 10 Mph, becoming southeast in the afternoon.

Tonight 12 Sep Southern Nassau

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall after midnight. Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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Old Bethpage Temperature Statistics

September Temperature

Farmingdale - Republic Airport (2.5 miles)

  • Lowest 7 September, 2026

    57 °F

  • Average September

    72.1 °F

  • Highest 3 September, 2026

    87.1 °F

Climate (2021–2026)

Farmingdale - Republic Airport (2.5 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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