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.

Mostly Cloudy and Breezy

41°F

5°C

Humidity 45%
Wind Speed W 23 G 33 mph
Barometer 29.69 in (1005.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 17 Nov 9:56 am EST
Extended Forecast for

Upton NY

  • Today

    Today: Mostly sunny, with a high near 44. West wind 15 to 17 mph, with gusts as high as 33 mph.

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 33. West wind 9 to 14 mph, with gusts as high as 29 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 47. West wind around 10 mph, with gusts as high as 21 mph.

    High: 47 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 33. West wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. Calm wind becoming north around 6 mph in the morning.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Cloudy, with a low around 40.

    Low: 40 °F

    Cloudy

  • Friday

    Friday: Rain likely, mainly before 1pm. Cloudy, with a high near 57. Chance of precipitation is 60%.

    High: 57 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 44. West wind 15 to 17 mph, with gusts as high as 33 mph.
Tonight
Mostly clear, with a low around 33. West wind 9 to 14 mph, with gusts as high as 29 mph.
Tuesday
Increasing clouds, with a high near 47. West wind around 10 mph, with gusts as high as 21 mph.
Tuesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 33. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 48. Calm wind becoming north around 6 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Mostly cloudy, with a high near 50.
Thursday Night
Cloudy, with a low around 40.
Friday
Rain likely, mainly before 1pm. Cloudy, with a high near 57. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Upton NY
 40.86°N 72.87°W (Elev. 49 ft)
Last Update:
5:32 am EST Nov 17, 2025
Forecast Valid:
10am EST Nov 17, 2025-6pm EST Nov 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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