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/Mist

30°F

-1°C

Humidity 100%
Wind Speed Calm
Barometer 30.11 in (1019.7 mb)
Dewpoint 30°F (-1°C)
Visibility 1.00 mi
Last update 17 Feb 8:56 pm EST
Extended Forecast for

Shirley, Brookhaven Airport NY

Dense Fog Advisory February 17, 10:00pm until February 18, 10:00am
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Widespread dense fog after 1am. Otherwise, mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy
    then Dense
    Fog

  • Wednesday

    Wednesday: Drizzle likely before 10am, then rain likely, mainly between 10am and 2pm. The drizzle could be heavy at times. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 41. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Rain Likely
    and Areas
    Dense Fog

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 10pm. Cloudy, with a low around 31. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 31 °F

    Rain Likely
    then Chance
    Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 39. East wind 6 to 8 mph.

    High: 39 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of rain before 1am, then a chance of snow. Cloudy, with a low around 28. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 40%.

    Low: 28 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Friday

    Friday: Rain. High near 40. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Rain Likely
    then Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

    Low: 30 °F

    Rain Likely

  • Saturday

    Saturday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Widespread dense fog after 1am. Otherwise, mostly cloudy, with a low around 31. Calm wind.
Wednesday
Drizzle likely before 10am, then rain likely, mainly between 10am and 2pm. The drizzle could be heavy at times. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 41. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 31. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 60%.
Thursday
Mostly cloudy, with a high near 39. East wind 6 to 8 mph.
Thursday Night
A slight chance of rain before 1am, then a chance of snow. Cloudy, with a low around 28. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 40%.
Friday
Rain. High near 40. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A chance of rain and snow before 1pm, then a chance of snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 35. Breezy.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shirley, Brookhaven Airport NY
 40.82°N 72.88°W (Elev. 69 ft)
Last Update:
3:29 pm EST Feb 17, 2026
Forecast Valid:
9pm EST Feb 17, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation