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

New York, Kennedy International Airport (KJFK)

Lat: 40.64°NLon: 73.76°WElev: 10ft.

Partly Cloudy

79°F

26°C

Humidity 50%
Wind Speed S 10 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Aug 4:51 pm EDT
Extended Forecast for

South Valley Stream NY

  • Tonight

    Tonight: Mostly clear, with a low around 70. South wind around 6 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 5pm. Increasing clouds, with a high near 82. Light and variable wind becoming south 9 to 14 mph in the morning.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 11pm. Low around 70. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 70 °F

    Showers

  • Monday

    Monday: Showers, mainly before 8am. High near 86. South wind 8 to 10 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 86 °F

    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. Northwest wind 3 to 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 70. South wind around 6 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers, mainly after 5pm. Increasing clouds, with a high near 82. Light and variable wind becoming south 9 to 14 mph in the morning.
Sunday Night
Showers, mainly after 11pm. Low around 70. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Showers, mainly before 8am. High near 86. South wind 8 to 10 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Partly cloudy, with a low around 71. Northwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
A 40 percent chance of showers after 8am. Partly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 82.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 67.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Valley Stream NY
 40.66°N 73.73°W (Elev. 7 ft)
Last Update:
2:28 pm EDT Aug 15, 2026
Forecast Valid:
5pm EDT Aug 15, 2026-6pm EDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation