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

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Overcast

75°F

24°C

Humidity 94%
Wind Speed SW 7 mph
Barometer 29.95 in (1013.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 13 Aug 7:56 am EDT
Extended Forecast for

Bellport NY

  • Today

    Today: Partly sunny, with a high near 82. South wind 6 to 11 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. South wind 3 to 7 mph.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 84. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 69. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 82. Northeast wind 8 to 10 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 82. South wind 6 to 11 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. South wind 3 to 7 mph.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 84. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 69. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.
Friday
Sunny, with a high near 82. Northeast wind 8 to 10 mph.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 84.
Sunday Night
A chance of showers between 8pm and 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bellport NY
 40.76°N 72.95°W (Elev. 30 ft)
Last Update:
6:08 am EDT Aug 13, 2025
Forecast Valid:
8am EDT Aug 13, 2025-6pm EDT Aug 19, 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