South Valley Stream Weather Forecast

    • 44
    • 51

    Rain Likely

    • 41
    • 56

    Partly Sunny

    • 42
    • 55

    Rain Likely

    • 31
    • 55

    Partly Sunny

    • 36
    • 45

    Mostly Cloudy

    • 36
    • 49

    Mostly Cloudy

Today 20 Mar Southern Nassau

Mostly sunny. Highs in the lower 50s. Southwest Winds around 5 Mph, increasing to south 15 to 20 Mph with Gusts up to 30 Mph in the afternoon.

Tonight 20 Mar Southern Nassau

Rain likely. Lows in the lower 40s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 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

    41.8 °F

  • Highest 9 March, 2026

    66.9 °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

    56.2 °F

  • Average High 2021–2026

    63.5 °F
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