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 90%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 01 Jan 03:45 PM PST
Extended Forecast for

San Marcos CA

  • New Year's Day

    New Year's Day: A chance of showers. Partly sunny, with a high near 65. West wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly before 10pm. Partly cloudy, with a low around 53. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. Southeast wind around 5 mph becoming calm.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, mainly after 4pm. Cloudy, with a high near 67. Southeast wind around 5 mph becoming south in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 10pm. Cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Heavy Rain

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers

Detailed Forecast

New Year's Day
A chance of showers. Partly sunny, with a high near 65. West wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, mainly before 10pm. Partly cloudy, with a low around 53. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 54. Southeast wind around 5 mph becoming calm.
Saturday
Showers likely, mainly after 4pm. Cloudy, with a high near 67. Southeast wind around 5 mph becoming south in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely, mainly before 10pm. Cloudy, with a low around 55. Chance of precipitation is 60%.
Sunday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 53.
Monday
A chance of showers. Partly sunny, with a high near 63.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49.
Tuesday
A chance of showers. Mostly cloudy, with a high near 63.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 48.
Wednesday
A chance of showers. Partly sunny, with a high near 62.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 47.
Thursday
A slight chance of showers. Mostly sunny, with a high near 62.
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:
1:03 pm PST Jan 1, 2026
Forecast Valid:
4pm PST Jan 1, 2026-6pm PST Jan 8, 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