Hempstead Lake State Park Weather Forecast

    • 53
    • 68

    Becoming Sunny

    • 60
    • 75

    Mostly Sunny

    • 62
    • 84

    Partly Sunny

    • 59
    • 76

    Mostly Sunny

    • 65
    • 83

    Mostly Sunny

    • 63
    • 85

    Chance Rain Showers

Today 15 May Southern Nassau

Partly sunny. Highs in the upper 60s. Northwest Winds around 10 Mph. Gusts up to 20 Mph this afternoon.

Tonight 15 May Southern Nassau

Partly cloudy in the Evening, then clearing. Lows in the lower 50s. North Winds 5 to 10 Mph, becoming southwest after midnight.

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Hempstead Lake State Park Temperature Statistics

May Temperature

New York, Kennedy International Airport (6.8 miles)

  • Lowest 12 May, 2026

    46 °F

  • Average May

    57.1 °F

  • Highest 4 May, 2026

    66.7 °F

Climate (2021–Present)

New York, Kennedy International Airport (6.8 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    56.1 °F

  • Average High 2021–2026

    63.5 °F
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