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

76°F

24°C

Humidity 75%
Wind Speed SSE 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 67°F (19°C)
Visibility NA
Heat Index77°F (25°C)
Last update 25 Aug 11:15 AM PDT
Extended Forecast for

San Marcos CA

  • Today

    Today: A slight chance of showers. Mostly sunny, with a high near 83. West wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 81. Light west wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. West wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 64.

    Low: 64 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 82.

    High: 82 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 81.

    High: 81 °F

    Decreasing
    Clouds

Detailed Forecast

Today
A slight chance of showers. Mostly sunny, with a high near 83. West wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 81. Light west wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 83. West wind 5 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 64.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 82.
Thursday Night
Mostly cloudy, with a low around 65.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 82.
Saturday Night
Increasing clouds, with a low around 64.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Marcos CA
 33.15°N 117.18°W (Elev. 594 ft)
Last Update:
1:52 am PDT Aug 25, 2025
Forecast Valid:
11am PDT Aug 25, 2025-6pm PDT Aug 31, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation