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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 33.13°N 117.15°W (Text-Only)
NWS Forecast for: San Marcos CA
Issued by: National Weather Service San Diego, CA
Last Update: 7:55 pm PST Dec 4, 2025		Print

  • Overnight

    Overnight: Mostly clear, with a low around 45. East wind around 5 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.

    High: 69 °F

    Sunny

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.

    High: 69 °F

    Sunny

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

    • Overnight: Mostly clear, with a low around 45. East wind around 5 mph.

    Friday: Sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.

    Friday Night: Mostly clear, with a low around 47. Calm wind.

    Saturday: Sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.

    Saturday Night: Mostly clear, with a low around 48. Calm wind.

    Sunday: Sunny, with a high near 72.

    Sunday Night: Mostly clear, with a low around 51.

    Monday: Sunny, with a high near 76.

    Monday Night: Mostly clear, with a low around 54.

    Tuesday: Sunny, with a high near 79.

    Tuesday Night: Mostly clear, with a low around 54.

    Wednesday: Sunny, with a high near 77.

    Wednesday Night: Mostly clear, with a low around 54.

    Thursday: Sunny, with a high near 76.


    San Marcos CA
     33.13°N 117.15°W (Elev. 794 ft)

    Visit your local NWS office at: https://www.weather.gov/sgx