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

Hazardous Weather Conditions

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Rain Fog

65°F

18°C

Humidity 97%
Wind Speed S 3 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 64°F (18°C)
Visibility 0.25 mi
Last update 18 Jun 6:56 am EDT
Extended Forecast for

Yaphank NY

Dense Fog Advisory June 18, 07:11am until June 18, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory June 18, 07:11am until June 18, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Today

    High: 77 °F

    Chance
    Showers and
    Dense Fog

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 67. South wind 3 to 5 mph.

    Low: 67 °F

    Chance
    Showers then
    Mostly Cloudy

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms after 2pm. Some of the storms could be severe. Increasing clouds, with a high near 85. Southwest wind 6 to 14 mph.

    High: 85 °F

    Partly 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 66. Southwest wind 9 to 11 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 82. West wind around 11 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 2pm. Widespread dense fog, mainly before 9am. Otherwise, cloudy, with a high near 77. South wind 3 to 7 mph. Chance of precipitation is 50%.
Tonight
A 30 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 67. South wind 3 to 5 mph.
Juneteenth
A 30 percent chance of showers and thunderstorms after 2pm. Some of the storms could be severe. Increasing clouds, with a high near 85. Southwest 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 66. Southwest wind 9 to 11 mph. Chance of precipitation is 40%.
Friday
Sunny, with a high near 82. West wind around 11 mph.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
Partly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yaphank NY
 40.82°N 72.9°W (Elev. 36 ft)
Last Update:
6:49 am EDT Jun 18, 2025
Forecast Valid:
7am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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