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

Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week. Read More >

Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Overcast with Haze

79°F

26°C

Humidity 82%
Wind Speed SW 13 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 73°F (23°C)
Visibility 5.00 mi
Heat Index82°F (28°C)
Last update 3 Aug 10:53 am EDT
Extended Forecast for

Nantucket MA

Tropical Storm Warning until further notice
Click here for hazard details and duration
Tropical Storm Warning until further notice
  •  
    Tropical Storm Warning until further notice

    NOW until further notice

    Tropical Storm Warning

  • Today

    Today: Mostly sunny, with a high near 84. Southwest wind around 17 mph.

    Mostly Sunny

    High: 84 °F

  • Tonight

    Tonight: Patchy fog. Otherwise, increasing clouds, with a low around 73. Southwest wind 8 to 14 mph.

    Patchy Fog

    Low: 73 °F

  • Tuesday

    Tuesday: A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 79. South wind 8 to 15 mph. Chance of precipitation is 20%.

    Slight Chance
    T-storms and
    Patchy Fog

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Windy, with a south wind 23 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers and
    Windy

    Low: 73 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 79. Breezy, with a southwest wind 15 to 21 mph. Chance of precipitation is 40%.

    Chance
    Showers and
    Breezy

    High: 79 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 71. Southwest wind 8 to 11 mph.

    Partly Cloudy

    Low: 71 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 78. North wind around 7 mph becoming west in the afternoon.

    Mostly Sunny

    High: 78 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 70. Southwest wind 5 to 7 mph.

    Partly Cloudy

    Low: 70 °F

Detailed Forecast

Today
Mostly sunny, with a high near 84. Southwest wind around 17 mph.
Tonight
Patchy fog. Otherwise, increasing clouds, with a low around 73. Southwest wind 8 to 14 mph.
Tuesday
A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 79. South wind 8 to 15 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Windy, with a south wind 23 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 79. Breezy, with a southwest wind 15 to 21 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 71. Southwest wind 8 to 11 mph.
Thursday
Mostly sunny, with a high near 78. North wind around 7 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 70. Southwest wind 5 to 7 mph.
Friday
Partly sunny, with a high near 78. Southeast wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 69. Southeast wind around 6 mph.
Saturday
Partly sunny, with a high near 77. East wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 70. East wind around 6 mph becoming calm after midnight.
Sunday
Sunny, with a high near 78. North wind around 7 mph becoming southeast in the afternoon.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
11:13 am EDT Aug 3, 2020
Forecast Valid:
11am EDT Aug 3, 2020-6pm EDT Aug 9, 2020
 
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