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

DW5683 Carlsbad (D5683)

Lat: 33.12255°NLon: 117.22785°WElev: 583.0ft.

NA

57°F

14°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 50°F (10°C)
Visibility NA
Last update 22 Nov 09:00 AM PST
Extended Forecast for

San Marcos CA

  • Today

    Today: A chance of showers, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 66. East wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 49. East wind around 5 mph becoming calm after midnight.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, sunny, with a high near 67. Southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. Calm wind becoming southeast around 5 mph.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Today
A chance of showers, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 66. East wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 49. East wind around 5 mph becoming calm after midnight.
Sunday
Patchy fog before 10am. Otherwise, sunny, with a high near 67. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 49. Calm wind becoming southeast around 5 mph.
Monday
Sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 53.
Thanksgiving Day
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos CA
 33.15°N 117.16°W (Elev. 669 ft)
Last Update:
1:24 am PST Nov 22, 2025
Forecast Valid:
9am PST Nov 22, 2025-6pm PST Nov 28, 2025
 
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