National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

New York, Kennedy International Airport (KJFK)

Lat: 40.64°NLon: 73.76°WElev: 10ft.

Mostly Cloudy

84°F

29°C

Humidity 59%
Wind Speed W 15 mph
Barometer 29.86 in (1011.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 10 Sep 12:51 pm EDT
Extended Forecast for

South Valley Stream NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. West wind around 10 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. West wind around 6 mph becoming north in the evening.

    Low: 70 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Northwest wind around 7 mph.

    High: 81 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Light and variable wind.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78. East wind 5 to 10 mph becoming south in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 81.

    High: 81 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. West wind around 10 mph.
Tonight
Mostly cloudy, with a low around 70. West wind around 6 mph becoming north in the evening.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Northwest wind around 7 mph.
Friday Night
Mostly clear, with a low around 64. Light and variable wind.
Saturday
Mostly sunny, with a high near 78. East wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 69.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 81.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Valley Stream NY
 40.66°N 73.73°W (Elev. 7 ft)
Last Update:
11:04 am EDT Sep 10, 2026
Forecast Valid:
1pm EDT Sep 10, 2026-6pm EDT Sep 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation