National Weather Service forecast

San Marcos, California Weather

57°Tonight: Partly Cloudy
Wind NE 5 mph
7-DayHourlyRadar

San Marcos 7-Day Forecast

  1. Tonight
    57°F
    Partly Cloudy
    9% chance of precipitation

    Partly cloudy, with a low around 57. Northeast wind around 5 mph.

  2. Wednesday
    74°F
    Sunny

    Sunny, with a high near 74. South wind 0 to 5 mph.

  3. Wednesday Night
    56°F
    Mostly Clear

    Mostly clear, with a low around 56. Northeast wind 0 to 5 mph.

  4. Thursday
    77°F
    Sunny

    Sunny, with a high near 77. Southwest wind 0 to 5 mph.

  5. Thursday Night
    58°F
    Mostly Clear

    Mostly clear, with a low around 58. North wind 0 to 5 mph.

  6. Friday
    82°F
    Sunny

    Sunny, with a high near 82.

  7. Friday Night
    58°F
    Clear

    Clear, with a low around 58.

  8. Saturday
    86°F
    Sunny

    Sunny, with a high near 86.

  9. Saturday Night
    61°F
    Mostly Clear

    Mostly clear, with a low around 61.

  10. Sunday
    87°F
    Sunny

    Sunny, with a high near 87.

  11. Sunday Night
    64°F
    Partly Cloudy

    Partly cloudy, with a low around 64.

  12. Monday
    84°F
    Mostly Sunny

    Mostly sunny, with a high near 84.

  13. Monday Night
    62°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 62.

  14. Tuesday
    81°F
    Mostly Sunny
    2% chance of precipitation

    Mostly sunny, with a high near 81.

Issued by the National Weather Service (SGX office), updated .

San Marcos Hourly Forecast

Loading the next 48 hours…

Full 100+ hour forecast for San Marcos

San Marcos Weather Radar

Open the full radar for San Marcos

About San Marcos

Population (2020 Census)
94,833
Coordinates
33.134, -117.171
Elevation
600 ft
NWS forecast office
SGX
Time zone
America/Los Angeles
Sunrise today
6:08 AM PST
Sunset today
4:55 PM PST
Daylight today
10 h 47 min

San Marcos Weather Questions

What is the weather forecast for San Marcos, California?

Tonight: Partly cloudy, with a low around 57. Northeast wind around 5 mph. Wednesday: Sunny, with a high near 74. South wind 0 to 5 mph.

Will it rain or snow in San Marcos this week?

Not much. The highest chance of precipitation in the 7-day forecast is 9%, Tonight.

How warm and how cold will it get in San Marcos this week?

The warmest day is Sunday, with a high near 87°F. The coldest night is Wednesday Night, with a low near 56°F.

What time are sunrise and sunset in San Marcos today?

Sunrise is at 6:08 AM PST and sunset is at 4:55 PM PST, for 10 h 47 min of daylight.

Weather near San Marcos

Largest cities in California

All California cities