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

Hazardous Weather Conditions

Current conditions at

Carlsbad, McClellan-Palomar Airport (KCRQ)

Lat: 33.13°NLon: 117.27583°WElev: 328.0ft.

Clear

73°F

23°C

Humidity 88%
Wind Speed S 3 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 22 Aug 10:00 PM PDT
Extended Forecast for

San Marcos CA

Extreme Heat Watch August 25, 10:00am until August 28, 08:00pm
Heat Advisory August 22, 10:19pm until August 25, 10:00am
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory
  •  
    Heat Advisory August 22, 10:19pm until August 25, 10:00am

    NOW until 10:00am Tue

    Heat Advisory

  • Tonight

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the morning.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 70. West wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 88. Light and variable wind becoming west 5 to 10 mph in the morning.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. West wind around 5 mph becoming calm.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, sunny, with a high near 92.

    High: 92 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 68. Calm wind.
Sunday
Sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the morning.
Sunday Night
Increasing clouds, with a low around 70. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 88. Light and variable wind becoming west 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 69. West wind around 5 mph becoming calm.
Tuesday
Patchy fog before 11am. Otherwise, sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Mostly sunny, with a high near 96.
Thursday Night
Partly cloudy, with a low around 72.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos CA
 33.13°N 117.18°W (Elev. 600 ft)
Last Update:
1:41 pm PDT Aug 22, 2026
Forecast Valid:
10pm PDT Aug 22, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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