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

73°F

23°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 65°F (18°C)
Visibility NA
Last update 25 Sep 11:30 AM PDT
Extended Forecast for

San Marcos CA

  • Today

    Today: Sunny, with a high near 78. West wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 63. West wind around 5 mph becoming south after midnight.

    Low: 63 °F

    Patchy Fog

  • Friday

    Friday: A slight chance of showers before 11am. Mostly cloudy, with a high near 74. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm after midnight.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 75. Light south wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 77.

    High: 77 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 62.

    Low: 62 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 78. West wind 5 to 10 mph.
Tonight
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 63. West wind around 5 mph becoming south after midnight.
Friday
A slight chance of showers before 11am. Mostly cloudy, with a high near 74. South wind 5 to 10 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm after midnight.
Saturday
A slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 75. Light south wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 77.
Sunday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 62.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 78.
Monday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 61.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 76.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 60.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 77.
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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:
3:19 am PDT Sep 25, 2025
Forecast Valid:
11am PDT Sep 25, 2025-6pm PDT Oct 1, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation