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

53°F

12°C

Humidity 74%
Wind Speed S 7 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 29 Apr 3:56 pm EDT
Extended Forecast for

Mastic NYSimilar City Names

  • Tonight

    Tonight: Showers, mainly after 2am. Low around 45. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers, mainly before 11am. High near 60. Light and variable wind becoming north around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Northwest wind around 6 mph.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. West wind 7 to 10 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers. Increasing clouds, with a low around 44. West wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers, mainly after 2am. Low around 45. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers, mainly before 11am. High near 60. Light and variable wind becoming north around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Mostly clear, with a low around 44. Northwest wind around 6 mph.
Friday
Sunny, with a high near 60. West wind 7 to 10 mph.
Friday Night
A 20 percent chance of showers. Increasing clouds, with a low around 44. West wind around 5 mph becoming calm in the evening.
Saturday
A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 57.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 60.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mastic NYSimilar City Names
 40.8°N 72.85°W (Elev. 39 ft)
Last Update:
2:29 pm EDT Apr 29, 2026
Forecast Valid:
4pm EDT Apr 29, 2026-6pm EDT May 6, 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