Hempstead Lake Weather Forecast

    • 71
    • 84

    Rain Showers

    • 70
    • 87

    Mostly Sunny

    • 71
    • 88

    Mostly Sunny

    • 66
    • 84

    Chance Thunderstorms

    • 67
    • 82

    Slight Chance Rain Showers

    • 67
    • 81

    Mostly Cloudy

Today 17 Aug Southern Nassau

Mostly cloudy with Showers with a chance of Thunderstorms in the Morning, then mostly sunny in the afternoon. Humid with Highs in the lower 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest 5 to 10 Mph in the afternoon. Chance of rain 90 percent.

Tonight 17 Aug Southern Nassau

Partly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers after midnight. Humid with Lows in the lower 70s. North Winds 5 to 10 Mph. Chance of rain 20 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 4 August, 2026

    66.7 °F

  • Average August

    79.6 °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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