South Valley Stream Weather Forecast

    • 50
    • 65

    Becoming Sunny

    • 58
    • 74

    Partly Sunny

    • 53
    • 73

    Mostly Sunny

    • 55
    • 71

    Partly Sunny

    • 57
    • 73

    Partly Sunny

    • 61
    • 79

    Partly Sunny

Today 30 May Southern Nassau

Mostly cloudy and breezy. Highs in the lower 60s. North Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 30 May Southern Nassau

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 50s. North Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming northwest around 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Valley Stream Temperature Statistics

May Temperature

New York, Kennedy International Airport (2.5 miles)

  • Lowest 3 May, 2026

    46.7 °F

  • Average May

    61.8 °F

  • Highest 20 May, 2026

    93.7 °F

Climate (2021–Present)

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