Hempstead Harbor Weather Forecast

    • 72
    • 89

    Chance Thunderstorms

    • 71
    • 84

    Chance Thunderstorms

    • 69
    • 81

    Mostly Sunny

    • 66
    • 80

    Partly Sunny

    • 69
    • 83

    Rain Showers Likely

    • 67
    • 83

    Slight Chance Thunderstorms

    • 67
    • 83

    Mostly Sunny

Today 12 Aug Northern Nassau

Sunny. Highs in the upper 80s. West Winds 5 to 10 Mph.

Tonight 12 Aug Northern Nassau

Mostly cloudy. A slight chance of Showers and Thunderstorms late this Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hempstead Harbor Temperature Statistics

August Temperature

New York, La Guardia Airport (11.8 miles)

  • Lowest 4 August, 2026

    69.7 °F

  • Average August

    81.8 °F

  • Highest 7 August, 2026

    94.6 °F

Climate (2021–2026)

New York, La Guardia Airport (11.8 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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