Hempstead Lake Weather Forecast

    • 69
    • 81

    Chance Rain Showers

    • 69
    • 85

    Rain Showers Likely

    • 70
    • 82

    Chance Thunderstorms

    • 69
    • 85

    Chance Thunderstorms

    • 66
    • 83

    Slight Chance Rain Showers

    • 64
    • 79

    Partly Sunny

Today 31 Aug Southern Nassau

Partly sunny with a 20 percent chance of Showers. Highs around 80. Northeast Winds around 5 Mph, becoming southeast this afternoon.

Tonight 31 Aug Southern Nassau

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Humid with Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hempstead Lake Temperature Statistics

August Temperature

New York, Kennedy International Airport (6.8 miles)

  • Lowest 21 August, 2026

    64.7 °F

  • Average August

    77.4 °F

  • Highest 9 August, 2026

    92.6 °F

Climate (2021–2026)

New York, Kennedy International Airport (6.8 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    63.6 °F
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