Barnum Island Weather Forecast

    • 41
    • 53

    Rain Showers

    • 32
    • 47

    Rain Showers

    • 36
    • 43

    Partly Sunny

    • 39
    • 49

    Chance Rain

    • 42
    • 52

    Rain Likely

    • 28
    • 50

    Partly Sunny

Today 22 Mar Southern Nassau

Mostly cloudy. A chance of rain with a slight chance of Thunderstorms this afternoon. Highs in the mid 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Tonight 22 Mar Southern Nassau

Rain likely with a slight chance of Thunderstorms in the Evening, then Showers after midnight. Lows in the lower 40s. Southeast Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 90 percent.

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Barnum Island Temperature Statistics

March Temperature

New York, Kennedy International Airport (6.2 miles)

  • Lowest 2 March, 2026

    21.7 °F

  • Average March

    41.4 °F

  • Highest 9 March, 2026

    67.6 °F

Climate (2021–Present)

New York, Kennedy International Airport (6.2 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    56.1 °F

  • Average High 2021–2026

    63.5 °F
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