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.

Fair

38°F

3°C

Humidity 89%
Wind Speed SW 3 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 20 Mar 7:56 am EDT
Extended Forecast for

3 Miles SE Bellport NY

  • Today

    Today: A 30 percent chance of rain after 5pm. Mostly sunny, with a high near 45. Breezy, with a south wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon.

    High: 45 °F

    Mostly Sunny
    then Chance
    Rain and
    Breezy

  • Tonight

    Tonight: Rain, mainly before 2am. Low around 41. Windy, with a southwest wind 20 to 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain and
    Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Northwest wind 10 to 13 mph.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. North wind around 7 mph becoming southeast after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 2pm. Mostly cloudy, with a high near 47. South wind 9 to 16 mph.

    High: 47 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Cloudy, with a low around 39. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 8am. Mostly cloudy, with a high near 44. Breezy. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of rain after 5pm. Mostly sunny, with a high near 45. Breezy, with a south wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon.
Tonight
Rain, mainly before 2am. Low around 41. Windy, with a southwest wind 20 to 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 47. Northwest wind 10 to 13 mph.
Saturday Night
Mostly cloudy, with a low around 39. North wind around 7 mph becoming southeast after midnight.
Sunday
A 20 percent chance of rain after 2pm. Mostly cloudy, with a high near 47. South wind 9 to 16 mph.
Sunday Night
Rain likely, mainly after 2am. Cloudy, with a low around 39. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 44. Breezy. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Bellport NY
 40.71°N 72.9°W (Elev. 0 ft)
Last Update:
2:26 am EDT Mar 20, 2026
Forecast Valid:
8am EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
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