Roslyn Harbor Weather Forecast

    • 54
    • 68

    Chance Rain Showers

    • 59
    • 76

    Chance Rain Showers

    • 54
    • 73

    Rain Showers Likely

    • 51
    • 67

    Chance Rain Showers

    • 50
    • 63

    Chance Rain Showers

    • 55
    • 68

    Chance Rain Showers

Today 1 May Northern Nassau

Mostly sunny. Highs in the upper 60s. Northeast Winds around 5 Mph, becoming southeast in the afternoon.

Tonight 1 May Northern Nassau

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the mid 50s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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Roslyn Harbor Temperature Statistics

May Temperature

Farmingdale - Republic Airport (12.4 miles)

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Climate (2020–Present)

Farmingdale - Republic Airport (12.4 miles)

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  • Average Low 2020–2025

    48.6 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    63.4 °F
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