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.

Fog

45°F

7°C

Humidity 100%
Wind Speed SW 6 mph
Barometer 30.04 in (1017.2 mb)
Dewpoint 45°F (7°C)
Visibility 0.25 mi
Wind Chill42°F (6°C)
Last update 9 Mar 10:56 pm EDT
Extended Forecast for

Upton NYSimilar City Names

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 65. Calm wind becoming south around 6 mph in the afternoon.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers. Mostly cloudy, with a high near 59. Calm wind becoming south 5 to 9 mph in the morning.

    High: 59 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 45. Southwest wind around 9 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Chance
    Showers

  • Thursday

    Thursday: Rain likely, mainly before 2pm. Cloudy, with a temperature rising to near 50 by 9am, then falling to around 44 during the remainder of the day. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F⇓

    Rain Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 29.

    Low: 29 °F

    Chance Rain
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain before 2am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 39. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 65. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 39. Calm wind.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 59. Calm wind becoming south 5 to 9 mph in the morning.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 45. Southwest wind around 9 mph, with gusts as high as 22 mph.
Thursday
Rain likely, mainly before 2pm. Cloudy, with a temperature rising to near 50 by 9am, then falling to around 44 during the remainder of the day. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 30 percent chance of rain before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 29.
Friday
Mostly sunny, with a high near 44.
Friday Night
A 30 percent chance of rain before 2am. Mostly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly cloudy, with a high near 49.
Sunday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Monday
Rain likely. Cloudy, with a high near 48. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Upton NYSimilar City Names
 40.86°N 72.87°W (Elev. 49 ft)
Last Update:
10:57 pm EDT Mar 9, 2026
Forecast Valid:
11pm EDT Mar 9, 2026-6pm EDT Mar 16, 2026
 
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Additional Resources

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Chance of Precipitation