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

32°F

0°C

Humidity 96%
Wind Speed S 3 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 31°F (-1°C)
Visibility 1.50 mi
Last update 18 Jan 6:56 am EST
Extended Forecast for

3 Miles SE Bellport NY

Winter Weather Advisory until January 19, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 19, 04:00am

    NOW until 4:00am Mon

    Winter Weather Advisory

  • Today

    High: 38 °F

    Rain/Snow

  • Tonight

    Tonight: Snow, mainly before 10pm. Low around 25. Wind chill values between 15 and 20. North wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Snow then
    Chance Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 33. Wind chill values between 15 and 20. Windy, with a west wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon.

    High: 33 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20. Wind chill values between 5 and 15. Windy, with a west wind 25 to 30 mph.

    Low: 20 °F

    Partly Cloudy
    and Windy

  • Tuesday

    Tuesday: Sunny, with a high near 24. Windy, with a west wind 22 to 28 mph.

    High: 24 °F

    Sunny and
    Windy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17. Breezy.

    Low: 17 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. Breezy.

    High: 39 °F

    Sunny then
    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. Breezy.

    Low: 33 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Today
Snow, possibly mixed with rain, becoming all snow after 4pm. High near 38. Light and variable wind becoming northeast 5 to 10 mph in the morning. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 10pm. Low around 25. Wind chill values between 15 and 20. North wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
M.L.King Day
Mostly sunny, with a high near 33. Wind chill values between 15 and 20. Windy, with a west wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 20. Wind chill values between 5 and 15. Windy, with a west wind 25 to 30 mph.
Tuesday
Sunny, with a high near 24. Windy, with a west wind 22 to 28 mph.
Tuesday Night
Mostly clear, with a low around 17. Breezy.
Wednesday
Mostly sunny, with a high near 39. Breezy.
Wednesday Night
Mostly cloudy, with a low around 33. Breezy.
Thursday
Partly sunny, with a high near 37. Breezy.
Thursday Night
Partly cloudy, with a low around 24. Breezy.
Friday
Mostly sunny, with a high near 35.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Bellport NY
 40.71°N 72.9°W (Elev. 0 ft)
Last Update:
4:59 am EST Jan 18, 2026
Forecast Valid:
7am EST Jan 18, 2026-6pm EST Jan 24, 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