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

62°F

17°C

Humidity 70%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 21 Jan 12:00 PM PST
Extended Forecast for

San Marcos CA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 69. West wind around 5 mph.

    High: 69 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers after 10am. Mostly cloudy, with a high near 66. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 50. West wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 63. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers. Mostly sunny, with a high near 64. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 69. West wind around 5 mph.
Tonight
Mostly cloudy, with a low around 51. Calm wind.
Thursday
A slight chance of showers after 10am. Mostly cloudy, with a high near 66. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 50. West wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers. Partly sunny, with a high near 63. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 64. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos CA
 33.13°N 117.15°W (Elev. 794 ft)
Last Update:
2:36 am PST Jan 21, 2026
Forecast Valid:
12pm PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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