Old Bethpage Weather Forecast

    • 51
    • 64

    Rain Showers

    • 53
    • 65

    Slight Chance Rain Showers

    • 59
    • 75

    Mostly Sunny

    • 60
    • 82

    Partly Sunny

    • 58
    • 77

    Partly Sunny

    • 62
    • 80

    Slight Chance Rain Showers

Today 14 May Southern Nassau

Showers this Morning, then Showers with a slight chance of Thunderstorms this afternoon. Highs in the lower 60s. Northwest Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 14 May Southern Nassau

Mostly cloudy with a chance of Showers in the Evening, then partly cloudy with a slight chance of Showers after midnight. Lows in the lower 50s. Northwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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Old Bethpage Temperature Statistics

May Temperature

Farmingdale - Republic Airport (2.5 miles)

  • Lowest 1 May, 2026

    44.1 °F

  • Average May

    55.5 °F

  • Highest 5 May, 2026

    66 °F

Climate (2021–Present)

Farmingdale - Republic Airport (2.5 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    63 °F
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