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.

Fair

71°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.74 in (1007.1 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 11 Jun 8:56 pm EDT
Extended Forecast for

Upton NYSimilar City Names

  • Tonight

    Tonight: A chance of showers and thunderstorms between 10pm and 2am. Mostly cloudy, with a low around 70. South wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers

  • Friday

    Friday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 96. West wind 3 to 8 mph.

    High: 92 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 69. Southwest wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 88. Northwest wind 7 to 9 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Light west wind.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Monday

    Monday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms between 10pm and 2am. Mostly cloudy, with a low around 70. South wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 30%.
Friday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 96. West wind 3 to 8 mph.
Friday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 69. Southwest wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 88. Northwest wind 7 to 9 mph.
Saturday Night
Mostly clear, with a low around 68. Light west wind.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Showers, mainly before 2am. Low around 62. Chance of precipitation is 80%.
Monday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Upton NYSimilar City Names
 40.86°N 72.87°W (Elev. 49 ft)
Last Update:
8:50 pm EDT Jun 11, 2026
Forecast Valid:
9pm EDT Jun 11, 2026-6pm EDT Jun 18, 2026
 
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