Hempstead Lake State Park Weather Forecast

    • 69
    • 80

    Mostly Sunny

    • 72
    • 87

    Partly Sunny

    • 75
    • 90

    Mostly Sunny

    • 76
    • 92

    Slight Chance Thunderstorms

    • 74
    • 89

    Chance Thunderstorms

    • 73
    • 86

    Chance Thunderstorms

Today 22 Jul Southern Nassau

Partly sunny with a 20 percent chance of Showers. Highs around 80. East Winds 5 to 10 Mph.

Tonight 22 Jul Southern Nassau

Mostly clear. Lows in the upper 60s. Southeast Winds 5 to 10 Mph.

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Hempstead Lake State Park Temperature Statistics

July Temperature

New York, Kennedy International Airport (6.8 miles)

  • Lowest 5 July, 2025

    67.6 °F

  • Average July

    79.4 °F

  • Highest 8 July, 2025

    93.7 °F

Climate (2020–Present)

New York, Kennedy International Airport (6.8 miles)

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  • Average Low 2020–2025

    49.6 °F

  • Average 2020–2025

    56.4 °F

  • Average High 2020–2025

    63.7 °F
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