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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Upton NY

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 44. West wind 15 to 17 mph, with gusts as high as 30 mph.

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Wind chill values between 20 and 25. West wind 9 to 13 mph, with gusts as high as 26 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 42. Wind chill values between 20 and 30. Breezy, with a west wind 14 to 21 mph, with gusts as high as 38 mph.

    High: 42 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. Wind chill values between 20 and 25. West wind 10 to 17 mph, with gusts as high as 36 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 30.

    Low: 30 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 50 percent chance of rain after 1pm. Cloudy, with a high near 52.

    High: 52 °F

    Cloudy then
    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

  • Monday

    Monday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Thanksgiving Day
Mostly sunny, with a high near 44. West wind 15 to 17 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 29. Wind chill values between 20 and 25. West wind 9 to 13 mph, with gusts as high as 26 mph.
Friday
Mostly sunny, with a high near 42. Wind chill values between 20 and 30. Breezy, with a west wind 14 to 21 mph, with gusts as high as 38 mph.
Friday Night
Mostly clear, with a low around 31. Wind chill values between 20 and 25. West wind 10 to 17 mph, with gusts as high as 36 mph.
Saturday
Sunny, with a high near 42. West wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 30.
Sunday
A 50 percent chance of rain after 1pm. Cloudy, with a high near 52.
Sunday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.
Monday
Partly sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 43.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Upton NY
 40.87°N 72.89°W (Elev. 89 ft)
Last Update:
1:06 am EST Nov 27, 2025
Forecast Valid:
11am EST Nov 27, 2025-6pm EST Dec 3, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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