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.

Fog/Mist

66°F

19°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 66°F (19°C)
Visibility 0.25 mi
Last update 18 Jun 3:51 am EDT
Extended Forecast for

South Valley Stream NY

Dense Fog Advisory until June 18, 07:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until June 18, 07:00am

    NOW until 7:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 65 °F

    Chance
    Showers and
    Areas Fog

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Areas of fog before 11am. Otherwise, cloudy, with a high near 78. South wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers and
    Areas Fog
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely then
    Mostly Cloudy

  • Juneteenth

    Juneteenth: A 50 percent chance of showers and thunderstorms after 2pm. Some of the storms could be severe. Increasing clouds, with a high near 86. South wind 6 to 14 mph.

    High: 86 °F

    Mostly Sunny
    then Severe
    Thunderstorms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Some of the storms could be severe. Cloudy, then gradually becoming partly cloudy, with a low around 67. West wind 10 to 13 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 50 percent chance of showers. Areas of fog. Otherwise, cloudy, with a low around 65. South wind 3 to 5 mph.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Areas of fog before 11am. Otherwise, cloudy, with a high near 78. South wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
A 50 percent chance of showers and thunderstorms after 2pm. Some of the storms could be severe. Increasing clouds, with a high near 86. South wind 6 to 14 mph.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Some of the storms could be severe. Cloudy, then gradually becoming partly cloudy, with a low around 67. West wind 10 to 13 mph. Chance of precipitation is 40%.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 67.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 69.
Sunday
Partly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Mostly sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 91.
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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:
3:06 am EDT Jun 18, 2025
Forecast Valid:
4am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

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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