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

Dangerous Heat in the West; Flash Flooding Possible Across the Southern US

Dangerous heat is expected across areas in Texas and from Washington through California. Several daily high temperature records are expected to be either tied or broken in the West. Monsoonal showers and thunderstorms may result in flash flooding and debris flows over the Southwestern U.S. through Friday. Locally heavy rain is expected from thunderstorms in the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Overcast

68°F

20°C

Humidity 90%
Wind Speed NE 9 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 17 Aug 12:53 am EDT
Extended Forecast for

Nantucket MA

Wind Advisory until August 17, 03:00pm
High Surf Advisory August 17, 08:00am until August 17, 08:00pm
Click here for hazard details and duration
Wind Advisory
High Surf Advisory
  •  
    Wind Advisory until August 17, 03:00pm

    NOW until
    3:00pm Wed

    Wind Advisory

  • Overnight

    Overnight: Showers. Low around 64. Breezy, with a north wind 22 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Showers and
    Breezy

    Low: 64 °F

  • Wednesday

    Wednesday: Showers, mainly before 10am. Patchy fog before 7am. High near 71. Breezy, with a north wind 20 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Showers and
    Patchy Fog
    then Chance
    Showers and
    Breezy

    High: 71 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers before 11pm. Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 65. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Slight Chance
    Showers and
    Patchy Fog
    then Partly
    Cloudy

    Low: 65 °F

  • Thursday

    Thursday: Sunny, with a high near 78. Southwest wind 14 to 16 mph.

    Sunny

    High: 78 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 68. West wind 8 to 10 mph.

    Mostly Clear

    Low: 68 °F

  • Friday

    Friday: Sunny, with a high near 80. Southwest wind 7 to 10 mph.

    Sunny

    High: 80 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 68. West wind 7 to 11 mph.

    Partly Cloudy

    Low: 68 °F

  • Saturday

    Saturday: Partly sunny, with a high near 79. Southwest wind around 7 mph.

    Partly Sunny

    High: 79 °F

Detailed Forecast

Overnight
Showers. Low around 64. Breezy, with a north wind 22 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers, mainly before 10am. Patchy fog before 7am. High near 71. Breezy, with a north wind 20 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A slight chance of showers before 11pm. Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 65. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 78. Southwest wind 14 to 16 mph.
Thursday Night
Mostly clear, with a low around 68. West wind 8 to 10 mph.
Friday
Sunny, with a high near 80. Southwest wind 7 to 10 mph.
Friday Night
Partly cloudy, with a low around 68. West wind 7 to 11 mph.
Saturday
Partly sunny, with a high near 79. Southwest wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 67. South wind around 6 mph.
Sunday
Partly sunny, with a high near 78. Southeast wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 67. East wind around 8 mph.
Monday
Partly sunny, with a high near 78. East wind around 8 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 69. South wind around 6 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 79. South wind around 10 mph. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
Last Update:
9:27 pm EDT Aug 16, 2022
Forecast Valid:
1am EDT Aug 17, 2022-6pm EDT Aug 23, 2022
 
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