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.

Overcast

77°F

25°C

Humidity 90%
Wind Speed S 15 G 29 mph
Barometer 29.78 in (1008.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Aug 7:56 am EDT
Extended Forecast for

North Bellport NY

High Surf Advisory until August 3, 09:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory until August 3, 09:00pm

    NOW until 9:00pm Mon

    High Surf Advisory

  • Today

    High: 80 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 65. West wind 5 to 10 mph becoming north after midnight.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. North wind 5 to 7 mph becoming southeast in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 67. Light south wind.

    Low: 67 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 80. South wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 65. West wind 5 to 10 mph becoming north after midnight.
Tuesday
Mostly sunny, with a high near 82. North wind 5 to 7 mph becoming southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 67. Light south wind.
Wednesday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 72.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Sunny, with a high near 85.
Friday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 73.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 72.
Sunday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
North Bellport NY
 40.78°N 72.94°W (Elev. 56 ft)
Last Update:
2:12 am EDT Aug 3, 2026
Forecast Valid:
8am EDT Aug 3, 2026-6pm EDT Aug 9, 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