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

Dangerous Surf and Rip Currents Along East Coast Beaches; Hazardous Heat in the West

Tropical storm conditions, storm surge flooding and coastal flooding will continue into Thursday across the Outer Banks and into portions of the Mid-Atlantic coastline. Life-threatening rip currents and high surf will continue to impact much of the Atlantic shoreline through the end of the week. Hazardous, record heat will continue across the Western U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Overcast

68°F

20°C

Humidity 93%
Wind Speed NE 8 mph
Barometer 29.89 in (1012.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 21 Aug 3:54 am EDT
Extended Forecast for

Cape St. Claire MD

Coastal Flood Advisory August 21, 04:33am until August 21, 08:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory August 21, 04:33am until August 21, 08:00am

    NOW until 8:00am Thu

    Coastal Flood Advisory

  • Overnight

    Low: 68 °F

    Isolated
    Showers

  • Thursday

    Thursday: Cloudy, with a high near 75. Northeast wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 75 °F

    Cloudy

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 64. North wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 64 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 81. North wind around 7 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 64. Calm wind becoming south around 5 mph after midnight.

    Low: 64 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Overnight
Isolated showers. Cloudy, with a low around 68. Northeast wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday
Cloudy, with a high near 75. Northeast wind 13 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 64. North wind 7 to 10 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 81. North wind around 7 mph.
Friday Night
Clear, with a low around 64. Calm wind becoming south around 5 mph after midnight.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 69.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Sunday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
A chance of showers before 8am, then a chance of showers after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Monday Night
A chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cape St. Claire MD
 39.03°N 76.48°W (Elev. 89 ft)
Last Update:
4:30 am EDT Aug 21, 2025
Forecast Valid:
4am EDT Aug 21, 2025-6pm EDT Aug 27, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation