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

Hazardous Weather Conditions

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Fair

66°F

19°C

Humidity 84%
Wind Speed Calm
Barometer 30.19 in (1022.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 24 Jul 8:56 pm EDT
Extended Forecast for

Mastic Beach NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Light and variable wind.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77. Light and variable wind becoming east 5 to 10 mph in the morning.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. East wind around 5 mph becoming calm after midnight.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80. Light and variable wind becoming east 6 to 11 mph in the morning.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. Light southeast wind.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. Light and variable wind.
Saturday
Sunny, with a high near 77. Light and variable wind becoming east 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 59. East wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 80. Light and variable wind becoming east 6 to 11 mph in the morning.
Sunday Night
Mostly clear, with a low around 65. Light southeast wind.
Monday
Sunny, with a high near 81.
Monday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 69.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mastic Beach NY
 40.77°N 72.86°W (Elev. 23 ft)
Last Update:
2:50 pm EDT Jul 24, 2026
Forecast Valid:
9pm EDT Jul 24, 2026-6pm EDT Jul 31, 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