Hempstead Harbor Weather Forecast

    • 73
    • 88

    Chance Thunderstorms

    • 73
    • 83

    Thunderstorms

    • 71
    • 81

    Partly Sunny

    • 68
    • 82

    Slight Chance Thunderstorms

    • 67
    • 79

    Mostly Sunny

    • 71
    • 80

    Partly Sunny

    • 74
    • 84

    Mostly Cloudy

Today 30 Jun Northern Nassau

Partly sunny. Highs in the upper 80s. Southeast Winds 5 to 10 Mph.

Tonight 30 Jun Northern Nassau

Mostly cloudy. A chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hempstead Harbor Temperature Statistics

June Temperature

New York, La Guardia Airport (11.8 miles)

  • Lowest 1 June, 2025

    52.6 °F

  • Average June

    73.4 °F

  • Highest 24 June, 2025

    101.6 °F

Climate (2020–Present)

New York, La Guardia Airport (11.8 miles)

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  • Average Low 2020–2025

    51.8 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    64.8 °F
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