Hempstead Lake Weather Forecast

    • 58
    • 76

    Becoming Sunny

    • 61
    • 73

    Mostly Sunny

    • 65
    • 77

    Mostly Sunny

    • 66
    • 80

    Mostly Cloudy

    • 63
    • 80

    Partly Sunny

    • 63
    • 76

    Mostly Cloudy

Today 14 Sep Southern Nassau

Sunny. Highs in the mid 70s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 14 Sep Southern Nassau

Mostly clear. Lows in the upper 50s. North Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening.

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Hempstead Lake Temperature Statistics

September Temperature

New York, Kennedy International Airport (6.8 miles)

  • Lowest 7 September, 2026

    60.7 °F

  • Average September

    74.7 °F

  • Highest 10 September, 2026

    88.6 °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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