Port Washington Weather Forecast

    • 59
    • 73

    Slight Chance Rain Showers

    • 61
    • 78

    Mostly Sunny

    • 65
    • 83

    Partly Sunny

    • 71
    • 83

    Partly Sunny

    • 64
    • 86

    Partly Sunny

    • 60
    • 77

    Mostly Sunny

Today 6 Sep Northern Nassau

Partly sunny with a 20 percent chance of Showers. Highs in the lower 70s. Northeast Winds 5 to 10 Mph.

Tonight 6 Sep Northern Nassau

Mostly clear. Lows around 60. North Winds 5 to 10 Mph.

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Port Washington Temperature Statistics

September Temperature

New York, La Guardia Airport (9.9 miles)

  • Lowest 2 September, 2026

    67.6 °F

  • Average September

    76.3 °F

  • Highest 3 September, 2026

    88.6 °F

Climate (2021–2026)

New York, La Guardia Airport (9.9 miles)

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  • Average Low 2021–2026

    51.3 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    64.6 °F
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