South Valley Stream Weather Forecast

    • 20
    • 32

    Chance Snow Showers

    • 24
    • 31

    Partly Sunny

    • 26
    • 34

    Slight Chance Snow

    • 22
    • 36

    Partly Sunny

    • 28
    • 34

    Slight Chance Rain/Snow

    • 32
    • 39

    Chance Rain

Today 1 Jan Southern Nassau

Partly cloudy. Lows around 20. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

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South Valley Stream Temperature Statistics

January Temperature

New York, Kennedy International Airport (2.5 miles)

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  • Average January

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Climate (2021–Present)

New York, Kennedy International Airport (2.5 miles)

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  • Average Low 2021–2025

    49.5 °F

  • Average 2021–2025

    56.3 °F

  • Average High 2021–2025

    63.6 °F
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