Hempstead Harbor - Glen Cove Weather Forecast

    • 65
    • 69

    Rain Showers Likely

    • 66
    • 78

    Partly Sunny

    • 60
    • 80

    Mostly Sunny

    • 58
    • 70

    Mostly Sunny

    • 61
    • 70

    Partly Sunny

    • 64
    • 74

    Partly Sunny

    • 66
    • 77

    Partly Sunny

Today 17 Sep Northern Nassau

Showers likely with a chance of Thunderstorms. Near steady temperature in the upper 60s. Northeast Winds around 15 Mph. Chance of rain 70 percent.

Tonight 17 Sep Northern Nassau

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Patchy fog after midnight. Lows in the lower 60s. Northeast Winds 10 to 15 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hempstead Harbor - Glen Cove Temperature Statistics

September Temperature

New York, La Guardia Airport (13 miles)

  • Lowest 7 September, 2025

    60.1 °F

  • Average September

    70.3 °F

  • Highest 6 September, 2025

    84 °F

Climate (2020–Present)

New York, La Guardia Airport (13 miles)

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  • Average Low 2020–2025

    51.7 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    64.8 °F
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