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

77°F

25°C

Humidity 65%
Wind Speed S 2 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 64°F (18°C)
Visibility NA
Heat Index79°F (26°C)
Last update 03 Oct 01:45 PM PDT
Extended Forecast for

San Marcos CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. West wind around 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. West wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. East wind 5 to 10 mph becoming southwest in the afternoon.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 75.

    High: 75 °F

    Patchy Fog
    then Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 56. West wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 75. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 75. East wind 5 to 10 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 75.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 58.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 75.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 58.
Thursday
Patchy fog. Otherwise, partly 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:
1:07 pm PDT Oct 3, 2025
Forecast Valid:
2pm PDT Oct 3, 2025-6pm PDT Oct 9, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation