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.

Sky Obscured with Haze

65°F

18°C

Humidity 76%
Wind Speed Calm
Barometer 29.98 in (1015.1 mb)
Dewpoint 57°F (14°C)
Visibility 1.00 mi
Last update 18 Jun 2:56 am EDT
Extended Forecast for

Bellport 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: 64 °F

    Chance
    Showers and
    Areas Dense
    Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Areas of dense fog before 8am. Otherwise, cloudy, with a high near 73. South wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers and
    Areas Dense
    Fog

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. South wind around 6 mph.

    Low: 66 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Southwest wind 7 to 15 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. West wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

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

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Areas of dense fog. Otherwise, cloudy, with a low around 64. South wind around 5 mph.
Wednesday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Areas of dense fog before 8am. Otherwise, cloudy, with a high near 73. South wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. South wind around 6 mph.
Juneteenth
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Southwest wind 7 to 15 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. West wind 9 to 13 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bellport NY
 40.76°N 72.95°W (Elev. 30 ft)
Last Update:
9:55 pm EDT Jun 17, 2025
Forecast Valid:
3am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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