South Valley Stream Weather Forecast

    • 67
    • 80

    Chance Rain Showers

    • 66
    • 82

    Mostly Cloudy

    • 68
    • 84

    Partly Sunny

    • 71
    • 85

    Slight Chance Thunderstorms

    • 78
    • 91

    Mostly Sunny

    • 79
    • 94

    Mostly Sunny

    • 76
    • 93

    Chance Rain Showers

Today 27 Jun Southern Nassau

Mostly cloudy with a 50 percent chance of Showers. Highs in the upper 70s. South Winds 5 to 10 Mph.

Tonight 27 Jun Southern Nassau

Mostly cloudy with a 50 percent chance of Showers. Lows in the mid 60s. Southeast Winds 5 to 10 Mph, becoming northeast after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Valley Stream Temperature Statistics

June Temperature

New York, Kennedy International Airport (2.5 miles)

  • Lowest 2 June, 2026

    50.6 °F

  • Average June

    73.2 °F

  • Highest 12 June, 2026

    96.7 °F

Climate (2021–2026)

New York, Kennedy International Airport (2.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    63.5 °F
Get WillyWeather+ to remove ads