Locust Valley Weather Forecast

    • 69
    • 89

    Mostly Sunny

    • 69
    • 87

    Partly Sunny

    • 68
    • 84

    Mostly Cloudy

    • 66
    • 82

    Partly Sunny

    • 66
    • 83

    Partly Sunny

    • 70
    • 85

    Partly Sunny

Today 4 Aug Northern Nassau

Sunny, hazy. Highs in the upper 80s. Northwest Winds around 5 Mph, becoming northeast around 5 Mph in the afternoon.

Tonight 4 Aug Northern Nassau

Clear. Lows in the mid 60s. Southwest Winds around 5 Mph.

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Locust Valley Temperature Statistics

August Temperature

Farmingdale - Republic Airport (13 miles)

  • Lowest 1 August, 2025

    63 °F

  • Average August

    66.1 °F

  • Highest 1 August, 2025

    71.1 °F

Climate (2020–Present)

Farmingdale - Republic Airport (13 miles)

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  • Average Low 2020–2025

    48.6 °F

  • Average 2020–2025

    56 °F

  • Average High 2020–2025

    63.4 °F
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