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.

Fair

71°F

22°C

Humidity 76%
Wind Speed SW 10 mph
Barometer 30.25 in (1024.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 6 Oct 4:56 pm EDT
Extended Forecast for

Upton NY

  • Tonight

    Tonight: Clear, with a low around 59. Southwest wind 5 to 8 mph.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 76. Southwest wind 6 to 13 mph.

    High: 76 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 61. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, mainly before 2pm. The rain could be heavy at times. High near 71. Southwest wind around 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 71 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. North wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 59. Southwest wind 5 to 8 mph.
Tuesday
Increasing clouds, with a high near 76. Southwest wind 6 to 13 mph.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 61. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers, mainly before 2pm. The rain could be heavy at times. High near 71. Southwest wind around 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
Mostly clear, with a low around 46. North wind 10 to 13 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 61.
Thursday Night
Clear, with a low around 43.
Friday
Sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 52.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 66.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 54.
Columbus Day
A 30 percent chance of rain. Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Upton NY
 40.86°N 72.87°W (Elev. 49 ft)
Last Update:
2:13 pm EDT Oct 6, 2025
Forecast Valid:
5pm EDT Oct 6, 2025-6pm EDT Oct 13, 2025
 
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