National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Fog/Mist

42°F

6°C

Humidity 96%
Wind Speed Calm
Barometer 29.75 in (1007.4 mb)
Dewpoint 41°F (5°C)
Visibility 6.00 mi
Last update 11 Jan 4:56 am EST
Extended Forecast for

Mastic NY

  • Overnight

    Overnight: Rain likely. Patchy fog. Otherwise, cloudy, with a low around 41. West wind around 5 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: Rain likely before 1pm, then a chance of rain and snow showers after 4pm. Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 46. West wind 5 to 13 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Rain Likely
    and Patchy
    Fog then
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 7pm, then a slight chance of snow showers between 7pm and 10pm. Mostly clear, with a low around 27. Wind chill values between 15 and 20. Breezy, with a west wind 14 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Rain/Snow
    then Mostly
    Clear and
    Breezy

  • Monday

    Monday: Sunny, with a high near 40. Wind chill values between 15 and 25. West wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. West wind 7 to 9 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 46.

    High: 46 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Cloudy then
    Chance Rain

Detailed Forecast

Overnight
Rain likely. Patchy fog. Otherwise, cloudy, with a low around 41. West wind around 5 mph. Chance of precipitation is 60%.
Sunday
Rain likely before 1pm, then a chance of rain and snow showers after 4pm. Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 46. West wind 5 to 13 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
A chance of rain and snow showers before 7pm, then a slight chance of snow showers between 7pm and 10pm. Mostly clear, with a low around 27. Wind chill values between 15 and 20. Breezy, with a west wind 14 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Monday
Sunny, with a high near 40. Wind chill values between 15 and 25. West wind 10 to 15 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 29. West wind 7 to 9 mph.
Tuesday
Sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Cloudy, with a high near 46.
Wednesday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 29.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 39.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mastic NY
 40.82°N 72.85°W (Elev. 49 ft)
Last Update:
1:40 am EST Jan 11, 2026
Forecast Valid:
5am EST Jan 11, 2026-6pm EST Jan 17, 2026
 
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Additional Resources

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Chance of Precipitation