Old Bethpage Weather Forecast

    • 61
    • 80

    Patchy Fog

    • 59
    • 79

    Partly Sunny

    • 60
    • 75

    Chance Rain Showers

    • 62
    • 73

    Chance Rain Showers

    • 63
    • 78

    Chance Rain Showers

    • 59
    • 82

    Mostly Sunny

    • 56
    • 72

    Partly Sunny

Today 14 Sep Southern Nassau

Sunny with a 20 percent chance of Showers. Near steady temperature in the upper 70s. Southeast Winds around 5 Mph.

Tonight 14 Sep Southern Nassau

Partly cloudy. Lows in the lower 60s. South Winds around 5 Mph, becoming northwest after midnight.

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Old Bethpage Temperature Statistics

September Temperature

Farmingdale - Republic Airport (2.5 miles)

  • Lowest 9 September, 2025

    53.1 °F

  • Average September

    66.9 °F

  • Highest 5 September, 2025

    80.1 °F

Climate (2020–Present)

Farmingdale - Republic Airport (2.5 miles)

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  • Average Low 2020–2025

    48.5 °F

  • Average 2020–2025

    56 °F

  • Average High 2020–2025

    63.4 °F
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