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

DW5683 Carlsbad (D5683)

Lat: 33.1225°NLon: 117.2275°WElev: 592.52ft.

NA

59°F

15°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 04 Mar 05:45 PM PST
Extended Forecast for

San Marcos CA

  • Tonight

    Tonight: Patchy fog. Otherwise, increasing clouds, with a low around 50. Calm wind becoming south around 5 mph.

    Low: 50 °F

    Patchy Fog

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 73. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48. Northwest wind 5 to 10 mph becoming light and variable.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 73. North wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 50. Northwest wind around 5 mph becoming calm.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers after 10am. Mostly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 4am. Partly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Patchy fog. Otherwise, increasing clouds, with a low around 50. Calm wind becoming south around 5 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 73. North wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Clear, with a low around 48. Northwest wind 5 to 10 mph becoming light and variable.
Friday
Sunny, with a high near 73. North wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Clear, with a low around 50. Northwest wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 53.
Sunday
A slight chance of showers after 10am. Mostly sunny, with a high near 77.
Sunday Night
A slight chance of showers before 4am. Partly cloudy, with a low around 52.
Monday
A slight chance of showers after 10am. Mostly sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos CA
 33.15°N 117.16°W (Elev. 669 ft)
Last Update:
12:52 pm PST Mar 4, 2026
Forecast Valid:
6pm PST Mar 4, 2026-6pm PDT Mar 11, 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