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

67°F

19°C

Humidity 57%
Wind Speed SE 8 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 19 Sep 4:56 pm EDT
Extended Forecast for

Upton NYSimilar City Names

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. East wind 3 to 7 mph.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly between 2pm and 5pm, then rain after 5pm. High near 71. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 71 °F

    Chance
    Showers then
    Rain

  • Sunday Night

    Sunday Night: Rain before 8pm, then showers, mainly between 8pm and 2am. Low around 56. South wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Rain

  • Monday

    Monday: A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 68. Northeast wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 68 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 54. Northeast wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 66. Breezy.

    High: 66 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 55. East wind 3 to 7 mph.
Sunday
Showers likely, mainly between 2pm and 5pm, then rain after 5pm. High near 71. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain before 8pm, then showers, mainly between 8pm and 2am. Low around 56. South wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 68. Northeast wind 10 to 14 mph, with gusts as high as 24 mph.
Monday Night
A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 54. Northeast wind 7 to 9 mph. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Mostly cloudy, with a high near 66. Breezy.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 66. Breezy.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 52.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 66. Breezy.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 53.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Upton NYSimilar City Names
 40.86°N 72.87°W (Elev. 49 ft)
Last Update:
2:28 pm EDT Sep 19, 2026
Forecast Valid:
6pm EDT Sep 19, 2026-6pm EDT Sep 26, 2026
 
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Additional Resources

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Chance of Precipitation