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

55°F

13°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 16 Nov 03:45 AM PST
Extended Forecast for

San Marcos CA

  • Overnight

    Overnight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 63. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers. Increasing clouds, with a low around 52. East wind around 5 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    Showers

  • Monday

    Monday: Showers, mainly after 4pm. The rain could be heavy at times. High near 64. East wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Chance
    Showers then
    Heavy Rain

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 50. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Heavy Rain

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.

    High: 58 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 4am. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 10am. Mostly sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 63. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of showers. Increasing clouds, with a low around 52. East wind around 5 mph. Chance of precipitation is 20%.
Monday
Showers, mainly after 4pm. The rain could be heavy at times. High near 64. East wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 50. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.
Tuesday Night
A chance of showers, mainly before 4am. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Wednesday
A slight chance of showers before 10am. Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 49.
Friday
A chance of showers. Partly sunny, with a high near 63.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Marcos CA
 33.15°N 117.16°W (Elev. 669 ft)
Last Update:
1:34 am PST Nov 16, 2025
Forecast Valid:
4am PST Nov 16, 2025-6pm PST Nov 22, 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