South Valley Stream Weather Forecast

    • 51
    • 61

    Rain Showers Likely

    • 54
    • 65

    Rain Showers Likely

    • 48
    • 70

    Rain Showers Likely

    • 45
    • 55

    Chance Rain

    • 51
    • 61

    Chance Rain

    • 47
    • 61

    Chance Rain

Today 30 Mar Southern Nassau

Mostly cloudy. A slight chance of Showers this afternoon. Highs around 60. Southwest Winds 15 to 20 Mph. Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 30 Mar Southern Nassau

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the upper 40s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Valley Stream Temperature Statistics

March Temperature

New York, Kennedy International Airport (2.5 miles)

  • Lowest 2 March, 2026

    21.7 °F

  • Average March

    42.9 °F

  • Highest 8 March, 2026

    67.6 °F

Climate (2021–Present)

New York, Kennedy International Airport (2.5 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    56.1 °F

  • Average High 2021–2026

    63.4 °F
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