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

61°F

16°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 21 Nov 12:00 PM PST
Extended Forecast for

San Marcos CA

  • This Afternoon

    This Afternoon: A chance of showers. Partly sunny, with a high near 63. South wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly before 4am. Mostly cloudy, with a low around 50. East wind 5 to 10 mph becoming light and variable. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 65. Northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.

    High: 65 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 49. Calm wind becoming east around 5 mph.

    Low: 49 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, sunny, with a high near 66. Calm wind becoming west around 5 mph in the afternoon.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Sunday Night

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

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers. Partly sunny, with a high near 63. South wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, mainly before 4am. Mostly cloudy, with a low around 50. East wind 5 to 10 mph becoming light and variable. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of showers before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 65. Northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Saturday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 49. Calm wind becoming east around 5 mph.
Sunday
Patchy fog before 10am. Otherwise, sunny, with a high near 66. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 53.
Thanksgiving Day
Sunny, with a high near 75.
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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:
1:26 am PST Nov 21, 2025
Forecast Valid:
12pm PST Nov 21, 2025-6pm PST Nov 27, 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