South Valley Stream Weather Forecast

    • 59
    • 83

    Mostly Cloudy

    • 54
    • 75

    Chance Rain Showers

    • 50
    • 62

    Chance Rain Showers

    • 39
    • 59

    Rain Showers

    • 36
    • 51

    Mostly Sunny

    • 46
    • 54

    Partly Sunny

    • 47
    • 65

    Partly Sunny

Today 16 Apr Southern Nassau

Partly sunny. Highs in the lower 80s. South Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 16 Apr Southern Nassau

Mostly cloudy. A slight chance of Showers after midnight. Lows in the upper 50s. Southwest Winds 10 to 15 Mph, becoming west 5 to 10 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Valley Stream Temperature Statistics

April Temperature

New York, Kennedy International Airport (2.5 miles)

  • Lowest 8 April, 2026

    30.7 °F

  • Average April

    50 °F

  • Highest 1 April, 2026

    78.7 °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

    63.5 °F
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