National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

East Hampton Town Airport (KJPX)

Lat: 40.96°NLon: 72.25°WElev: 55ft.

Partly Cloudy

77°F

25°C

Humidity 70%
Wind Speed S 13 G 16 mph
Barometer 29.72 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 28 Jul 3:55 pm EDT
Extended Forecast for

Sag Harbor NY

Flood Watch July 28, 08:00pm until July 29, 08:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 68. Southeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 73. Southeast wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 73 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers before 2am. Mostly cloudy, with a low around 66. East wind around 7 mph becoming northeast after midnight.

    Low: 66 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 74. North wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. North wind around 8 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 68. Southeast wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 73. Southeast wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
A 50 percent chance of showers before 2am. Mostly cloudy, with a low around 66. East wind around 7 mph becoming northeast after midnight.
Thursday
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 74. North wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. North wind around 8 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Partly sunny, with a high near 81.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 68.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Monday Night
Mostly cloudy, with a low around 68.
Tuesday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sag Harbor NY
 40.99°N 72.28°W (Elev. 75 ft)
Last Update:
2:34 pm EDT Jul 28, 2026
Forecast Valid:
4pm EDT Jul 28, 2026-6pm EDT Aug 4, 2026
 
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