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.

Partly Cloudy

70°F

21°C

Humidity 93%
Wind Speed NE 3 mph
Barometer 30.10 in (1019.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 14 Aug 11:56 pm EDT
Extended Forecast for

Yaphank NY

  • Overnight

    Overnight: A 20 percent chance of showers before 2am. Partly cloudy, with a low around 65. North wind 3 to 5 mph.

    Low: 65 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 81. Northeast wind 5 to 7 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers after 2pm. Increasing clouds, with a high near 81. Light and variable wind becoming south 8 to 13 mph in the morning.

    High: 81 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 11pm. Low around 68. South wind around 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Showers

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 85.

    High: 85 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 65. North wind 3 to 5 mph.
Saturday
Sunny, with a high near 81. Northeast wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 61. Light and variable wind.
Sunday
A 30 percent chance of showers after 2pm. Increasing clouds, with a high near 81. Light and variable wind becoming south 8 to 13 mph in the morning.
Sunday Night
Showers, with thunderstorms also possible after 11pm. Low around 68. South wind around 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 83.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 70.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yaphank NY
 40.83°N 72.93°W (Elev. 79 ft)
Last Update:
7:59 pm EDT Aug 14, 2026
Forecast Valid:
1am EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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