Roslyn Harbor Weather Forecast

    • 55
    • 68

    Increasing Clouds

    • 45
    • 70

    Mostly Sunny

    • 44
    • 61

    Partly Sunny

    • 48
    • 63

    Partly Sunny

    • 51
    • 66

    Partly Sunny

    • 51
    • 66

    Mostly Cloudy

Today 29 Oct Northern Nassau

Sunny. Highs in the upper 60s. Southwest Winds 5 to 10 Mph.

Tonight 29 Oct Northern Nassau

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. Southwest Winds 10 to 15 Mph.

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Roslyn Harbor Temperature Statistics

October Temperature

Farmingdale - Republic Airport (12.4 miles)

  • Lowest 25 October, 2026

    39 °F

  • Average October

    58.7 °F

  • Highest 2 October, 2026

    80.1 °F

Climate (2021–2026)

Farmingdale - Republic Airport (12.4 miles)

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    62.9 °F
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