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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

New York, Kennedy International Airport (KJFK)

Lat: 40.64°NLon: 73.76°WElev: 10ft.

Partly Cloudy

66°F

19°C

Humidity 61%
Wind Speed N 13 mph
Barometer 30.16 in (1021.3 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 29 Aug 4:51 am EDT
Extended Forecast for

Valley Stream NY

  • Today

    Today: Mostly sunny, with a high near 80. North wind 5 to 9 mph becoming light and variable.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. South wind 3 to 5 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. South wind 5 to 13 mph. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind 6 to 9 mph. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers. Partly sunny, with a high near 82. West wind 3 to 6 mph.

    High: 82 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    Showers

  • Tuesday

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

    High: 81 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 80. North wind 5 to 9 mph becoming light and variable.
Tonight
Mostly clear, with a low around 65. South wind 3 to 5 mph.
Sunday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. South wind 5 to 13 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind 6 to 9 mph. Chance of precipitation is 50%.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 82. West wind 3 to 6 mph.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 69.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 81.
Tuesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Wednesday
A chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 85.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valley Stream NY
 40.66°N 73.7°W (Elev. 16 ft)
Last Update:
2:28 am EDT Aug 29, 2026
Forecast Valid:
5am EDT Aug 29, 2026-6pm EDT Sep 4, 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