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

71°F

22°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 62°F (17°C)
Visibility NA
Last update 26 Sep 02:00 PM PDT
Extended Forecast for

San Marcos CA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 72. South wind around 10 mph.

    High: 72 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm after midnight.

    Low: 62 °F

    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 11am. Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 75. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 62. Southwest wind around 5 mph becoming calm.

    Low: 62 °F

    Patchy Fog

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.

    High: 76 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 62.

    Low: 62 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 76.

    High: 76 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 61.

    Low: 61 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 75.

    High: 75 °F

    Gradual
    Clearing

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 72. South wind around 10 mph.
Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm after midnight.
Saturday
A slight chance of showers and thunderstorms after 11am. Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 75. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 62. Southwest wind around 5 mph becoming calm.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 62.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 76.
Monday Night
Increasing clouds, with a low around 61.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Patchy fog. Otherwise, sunny, with a high near 79.
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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:
12:54 pm PDT Sep 26, 2025
Forecast Valid:
2pm PDT Sep 26, 2025-6pm PDT Oct 2, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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