South Valley Stream Weather Forecast

    • 70
    • 90

    Chance Thunderstorms

    • 69
    • 87

    Mostly Sunny

    • 71
    • 84

    Partly Sunny

    • 73
    • 86

    Partly Sunny

    • 74
    • 87

    Slight Chance Thunderstorms

    • 72
    • 85

    Chance Thunderstorms

Today 3 Jul Southern Nassau

Patchy fog in the morning. Sunny. Highs in the upper 80s. Northwest Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph with Gusts up to 25 Mph in the afternoon.

Tonight 3 Jul Southern Nassau

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Some Thunderstorms may produce gusty Winds in the evening. Lows in the upper 60s. West Winds 10 to 15 Mph, becoming northwest 5 to 10 Mph after midnight. Chance of rain 30 percent.

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South Valley Stream Temperature Statistics

July Temperature

New York, Kennedy International Airport (2.5 miles)

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  • Average July

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Climate (2020–Present)

New York, Kennedy International Airport (2.5 miles)

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  • Average Low 2020–2025

    49.6 °F

  • Average 2020–2025

    56.4 °F

  • Average High 2020–2025

    63.6 °F
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