Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe Thunderstorms With Heavy Rain from Great Lakes to Mid-Atlantic; Excessive Heat For Central/Southern U.S. to Mid-Atlantic

Severe thunderstorms are possible today into Sunday across the upper Great Lakes region to the northern Mid-Atlantic. Damaging winds, large hail, and flooding will be the primary threats with these storms. Meanwhile, dangerous heat will continue through Sunday across the central and southern U.S. into the Mid-Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Montauk, Montauk Airport (KMTP)

Lat: 41.07°NLon: 71.92°WElev: 7ft.

76°F

24°C

Humidity 77%
Wind Speed Calm
Barometer 29.81 in (1009.3 mb)
Dewpoint 68°F (20°C)
Visibility NA
Heat Index77°F (25°C)
Last update 22 Jul 6:54 pm EDT
Extended Forecast for

Sag Harbor NY

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 9pm and 5am.  Cloudy, with a low around 70. South wind around 5 mph becoming calm  in the evening.

    Chance
    Showers

    Low: 70 °F

  • Sunday

    Sunday: A 20 percent chance of showers before 10am.  Cloudy, with a high near 78. Northeast wind 7 to 11 mph.

    Slight Chance
    Showers then
    Mostly Cloudy

    High: 78 °F

  • Sunday
    Night

    Sunday Night: A chance of showers, with thunderstorms also possible after midnight.  Mostly cloudy, with a low around 68. East wind around 9 mph.  Chance of precipitation is 50%.

    Chance
    Showers

    Low: 68 °F

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms after 9am.  Mostly cloudy, with a high near 76. East wind 7 to 11 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely

    High: 76 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 66. West wind 6 to 9 mph becoming north after midnight.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 66 °F

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 77.

    Mostly Cloudy

    High: 77 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Partly Cloudy

    Low: 64 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    Mostly Sunny

    High: 79 °F

  • Wednesday
    Night

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

    Partly Cloudy

    Low: 68 °F

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly between 9pm and 5am. Cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers before 10am. Cloudy, with a high near 78. Northeast wind 7 to 11 mph.
Sunday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 68. East wind around 9 mph. Chance of precipitation is 50%.
Monday
Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms after 9am. Mostly cloudy, with a high near 76. East wind 7 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 66. West wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 85.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 68.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 82.
Friday Night
Mostly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
Sag Harbor NY
 40.99°N 72.28°W (Elev. 75 ft)
6:03 pm EDT Jul 22, 2017
7pm EDT Jul 22, 2017-6pm EDT Jul 29, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database