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

42°F

6°C

Humidity 89%
Wind Speed SE 8 G 17 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 22 Mar 1:56 am EDT
Extended Forecast for

3 Miles SE Bellport NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. Southeast wind around 9 mph.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers before 11am, then a chance of showers after 5pm. Mostly cloudy, with a high near 48. Southeast wind 13 to 16 mph becoming southwest in the afternoon. Chance of precipitation is 30%.

    High: 48 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, then rain after 9pm. Low around 39. West wind 7 to 10 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Showers

  • Monday

    Monday: Rain, mainly before 8am. Steady temperature around 40. North wind 15 to 17 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain then
    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. North wind around 16 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 36.

    Low: 36 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. Southeast wind around 9 mph.
Sunday
A slight chance of showers before 11am, then a chance of showers after 5pm. Mostly cloudy, with a high near 48. Southeast wind 13 to 16 mph becoming southwest in the afternoon. Chance of precipitation is 30%.
Sunday Night
Showers and thunderstorms likely, then rain after 9pm. Low around 39. West wind 7 to 10 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain, mainly before 8am. Steady temperature around 40. North wind 15 to 17 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly clear, with a low around 33. North wind around 16 mph.
Tuesday
Sunny, with a high near 41.
Tuesday Night
Increasing clouds, with a low around 36.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
A chance of rain between 8am and 2pm. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40. Breezy. Chance of precipitation is 60%.
Friday
Rain likely. Mostly sunny, with a high near 46. Breezy. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Bellport NY
 40.71°N 72.9°W (Elev. 0 ft)
Last Update:
3:03 pm EDT Mar 21, 2026
Forecast Valid:
2am EDT Mar 22, 2026-6pm EDT Mar 28, 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