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

EW9957 San Marcos Palomar (E9957)

Lat: 33.15083°NLon: 117.182°WElev: 629.0ft.

NA

N/A

Humidity 47%
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 08 Jul 11:30 AM PDT
Extended Forecast for

San Marcos CA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Patchy Fog

  • Thursday

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

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 60.

    Low: 60 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 76.

    High: 76 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 61. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76. Light south wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 75.
Thursday Night
Increasing clouds, with a low around 60.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 61.
Saturday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 77.
Saturday Night
Increasing clouds, with a low around 61.
Sunday
Patchy fog. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78.
Sunday Night
Patchy fog. Otherwise, increasing clouds, with a low around 61.
Monday
Patchy fog. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos CA
 33.13°N 117.18°W (Elev. 600 ft)
Last Update:
7:57 pm PDT Jul 14, 2025
Forecast Valid:
12am PDT Jul 15, 2025-6pm PDT Jul 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation