Hempstead Harbor Weather Forecast

    • 24
    • 33

    Snow Likely

    • 18
    • 32

    Breezy

    • 15
    • 23

    Mostly Sunny

    • 32
    • 35

    Mostly Cloudy

    • 22
    • 37

    Slight Chance Rain/Snow

    • 21
    • 29

    Partly Sunny

    • 16
    • 28

    Chance Snow

Today 18 Jan Northern Nassau

Snow with a slight chance of rain. Snow accumulation around an inch. Near steady temperature in the lower 30s. Northeast Winds 5 to 10 Mph. Chance of precipitation 90 percent.

Tonight 18 Jan Northern Nassau

Cloudy. Snow early this Evening, then a chance of snow after midnight. Snow accumulation of 1 to 3 Inches. Lows in the mid 20s. Northwest Winds 10 to 15 Mph. Chance of snow 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hempstead Harbor Temperature Statistics

January Temperature

New York, La Guardia Airport (11.8 miles)

  • Lowest 2 January, 2026

    21 °F

  • Average January

    36.8 °F

  • Highest 9 January, 2026

    53.1 °F

Climate (2021–Present)

New York, La Guardia Airport (11.8 miles)

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  • Average Low 2021–2026

    51.5 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    64.6 °F
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