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.

Overcast

72°F

22°C

Humidity NA
Wind Speed Vrbl 5 mph
Barometer 30.10 in (1019.2 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 13 Jul 1:56 am EDT
Extended Forecast for

Mastic Beach NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 79. East wind 5 to 8 mph becoming southeast in the afternoon.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Light south wind increasing to 5 to 9 mph in the morning.

    High: 81 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 73. Southwest wind 3 to 5 mph.

    Low: 73 °F

    Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms before 2pm. Mostly cloudy, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 74.

    Low: 74 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 68. Calm wind.
Sunday
Partly sunny, with a high near 79. East wind 5 to 8 mph becoming southeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Light south wind increasing to 5 to 9 mph in the morning.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 73. Southwest wind 3 to 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms before 2pm. Mostly cloudy, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 74.
Thursday
A chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 74.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 72.
Saturday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mastic Beach NY
 40.77°N 72.86°W (Elev. 23 ft)
Last Update:
2:15 am EDT Jul 13, 2025
Forecast Valid:
2am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
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