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.

Fog

42°F

6°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in (1017.0 mb)
Dewpoint 42°F (6°C)
Visibility 0.50 mi
Last update 10 Mar 1:56 am EDT
Extended Forecast for

Mastic Beach NY

Dense Fog Advisory until March 10, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until March 10, 11:00am

    NOW until 11:00am Tue

    Dense Fog Advisory

  • Overnight

    Low: 40 °F

    Fog

  • Tuesday

    Tuesday: Widespread fog before 11am. Otherwise, mostly cloudy, with a high near 59. Southwest wind 5 to 8 mph.

    High: 59 °F

    Fog then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. Southwest wind around 6 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57. South wind 6 to 11 mph.

    High: 57 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 46. South wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

  • Thursday

    Thursday: Rain likely before 5pm, then a chance of rain and snow. Cloudy, with a temperature rising to near 48 by 10am, then falling to around 41 during the remainder of the day. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 48 °F⇓

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Overnight
Widespread fog. Otherwise, mostly cloudy, with a low around 40. Southwest wind around 5 mph.
Tuesday
Widespread fog before 11am. Otherwise, mostly cloudy, with a high near 59. Southwest wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 39. Southwest wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 57. South wind 6 to 11 mph.
Wednesday Night
A chance of rain before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 46. South wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Thursday
Rain likely before 5pm, then a chance of rain and snow. Cloudy, with a temperature rising to near 48 by 10am, then falling to around 41 during the remainder of the day. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 44.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Cloudy, with a high near 49.
Sunday Night
Rain. Low around 41. Breezy. Chance of precipitation is 80%.
Monday
Rain. High near 50. Breezy. Chance of precipitation is 80%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mastic Beach NY
 40.77°N 72.83°W (Elev. 13 ft)
Last Update:
2:07 am EDT Mar 10, 2026
Forecast Valid:
2am EDT Mar 10, 2026-6pm EDT Mar 16, 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