South Valley Stream Weather Forecast

    • 67
    • 81

    Slight Chance Rain Showers

    • 68
    • 84

    Mostly Sunny

    • 70
    • 85

    Mostly Sunny

    • 77
    • 93

    Mostly Sunny

    • 75
    • 98

    Mostly Sunny

    • 75
    • 90

    Partly Sunny

    • 73
    • 90

    Partly Sunny

Today 11 Jul Southern Nassau

Partly sunny with a 20 percent chance of Showers. Near steady temperature in the upper 70s. East Winds around 10 Mph.

Tonight 11 Jul Southern Nassau

Mostly cloudy with isolated Showers this Evening, then mostly clear after midnight. Lows in the upper 60s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Valley Stream Temperature Statistics

July Temperature

New York, Kennedy International Airport (2.5 miles)

  • Lowest 7 July, 2026

    64.7 °F

  • Average July

    78.9 °F

  • Highest 2 July, 2026

    102.7 °F

Climate (2021–2026)

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

    63.6 °F
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