South Valley Stream Weather Forecast

    • 21
    • 36

    Decreasing Clouds

    • 27
    • 36

    Chance Snow Showers

    • 28
    • 40

    Partly Sunny

    • 32
    • 38

    Chance Rain/Snow

    • 33
    • 41

    Slight Chance Rain/Snow

    • 35
    • 43

    Mostly Cloudy

Today 12 Feb Southern Nassau

Mostly cloudy. Highs in the mid 30s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 12 Feb Southern Nassau

Partly cloudy. Lows in the lower 20s. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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South Valley Stream Temperature Statistics

February Temperature

New York, Kennedy International Airport (2.5 miles)

  • Lowest 8 February, 2026

    3 °F

  • Average February

    22.2 °F

  • Highest 2 February, 2026

    35.7 °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

    56.2 °F

  • Average High 2021–2026

    63.5 °F
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