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

East Hampton Town Airport (KJPX)

Lat: 40.96°NLon: 72.25°WElev: 55ft.

Fair

66°F

19°C

Humidity 82%
Wind Speed N 5 mph
Barometer 30.09 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 31 Aug 6:35 am EDT
Extended Forecast for

Sag Harbor NY

  • Today

    Today: Mostly sunny, with a high near 75. North wind around 6 mph becoming southeast in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 66. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers then
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am. High near 77. South wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 64. East wind 6 to 8 mph.

    Low: 64 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. Mostly cloudy, with a high near 74. East wind around 9 mph. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 75. North wind around 6 mph becoming southeast in the afternoon.
Tonight
A slight chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 66. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am. High near 77. South wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 50 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 64. East wind 6 to 8 mph.
Wednesday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. Mostly cloudy, with a high near 74. East wind around 9 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sag Harbor NY
 40.99°N 72.31°W (Elev. 3 ft)
Last Update:
5:39 am EDT Aug 31, 2026
Forecast Valid:
6am EDT Aug 31, 2026-6pm EDT Sep 6, 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