National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

DW5683 Carlsbad (D5683)

Lat: 33.1225°NLon: 117.2275°WElev: 592.52ft.

NA

54°F

12°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 04 Mar 02:15 AM PST
Extended Forecast for

San Marcos CA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 70 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50. Calm wind becoming southeast around 5 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 72. North wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 72 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48. Northwest wind around 5 mph becoming calm.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 52. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 50. Calm wind becoming southeast around 5 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 72. North wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Clear, with a low around 48. Northwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
A slight chance of showers after 10am. Mostly sunny, with a high near 75.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 70.
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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:
1:36 am PST Mar 4, 2026
Forecast Valid:
2am PST Mar 4, 2026-6pm PDT Mar 10, 2026
 
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Additional Resources

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Chance of Precipitation