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

40°F

4°C

Humidity 97%
Wind Speed SW 5 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 39°F (4°C)
Visibility 0.25 mi
Wind Chill36°F (2°C)
Last update 10 Mar 3:56 am EDT
Extended Forecast for

Mastic 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: 41 °F

    Dense Fog

  • Tuesday

    Tuesday: Widespread dense fog before 11am. Otherwise, partly sunny, with a high near 61. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 61 °F

    Dense Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 38. Light south wind.

    Low: 38 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 59. Calm wind becoming south 5 to 9 mph in the morning.

    High: 59 °F

    Patchy Fog
    then 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 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    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 49 by 11am, then falling to around 41 during the remainder of the day. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 49 °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 28. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Overnight
Widespread dense fog. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Tuesday
Widespread dense fog before 11am. Otherwise, partly sunny, with a high near 61. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 38. Light south wind.
Wednesday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 59. Calm wind becoming south 5 to 9 mph in the morning.
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 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Thursday
Rain likely before 5pm, then a chance of rain and snow. Cloudy, with a temperature rising to near 49 by 11am, 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 28. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 45.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Cloudy, with a high near 49.
Sunday Night
Rain. Low around 39. Chance of precipitation is 80%.
Monday
Rain. High near 50. Chance of precipitation is 80%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mastic NY
 40.82°N 72.85°W (Elev. 49 ft)
Last Update:
2:07 am EDT Mar 10, 2026
Forecast Valid:
4am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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