Hempstead Lake Weather Forecast

    • 60
    • 84

    Mostly Sunny

    • 58
    • 74

    Mostly Sunny

    • 58
    • 71

    Partly Sunny

    • 63
    • 74

    Partly Sunny

    • 64
    • 80

    Partly Sunny

    • 61
    • 78

    Chance Rain Showers

Today 19 Sep Southern Nassau

Sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 19 Sep Southern Nassau

Mostly clear. Lows around 60. North Winds 5 to 10 Mph, becoming northeast with Gusts up to 20 Mph after midnight.

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Hempstead Lake Temperature Statistics

September Temperature

New York, Kennedy International Airport (6.8 miles)

  • Lowest 8 September, 2025

    55.9 °F

  • Average September

    68.4 °F

  • Highest 6 September, 2025

    81 °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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