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

54°F

12°C

Humidity 90%
Wind Speed N 0 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 51°F (11°C)
Visibility NA
Last update 05 Mar 03:30 AM PST
Extended Forecast for

San Marcos CA

  • Overnight

    Overnight: Areas of drizzle after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Areas Drizzle
    and Patchy
    Fog

  • Thursday

    Thursday: Areas of drizzle and fog before 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 73. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 73 °F

    Areas Drizzle
    and Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49. Calm wind becoming east around 5 mph after midnight.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 75. Northeast wind 5 to 10 mph becoming west in the afternoon.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. North wind around 5 mph becoming east after midnight.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers. Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Areas of drizzle after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 50. Calm wind.
Thursday
Areas of drizzle and fog before 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 73. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Clear, with a low around 49. Calm wind becoming east around 5 mph after midnight.
Friday
Sunny, with a high near 75. Northeast wind 5 to 10 mph becoming west in the afternoon.
Friday Night
Mostly clear, with a low around 51. North wind around 5 mph becoming east after midnight.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 77.
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:
3:42 am PST Mar 5, 2026
Forecast Valid:
3am PST Mar 5, 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