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

63°F

17°C

Humidity 41%
Wind Speed NW 0 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 16 Jun 01:25 AM PDT
Extended Forecast for

San Marcos CA

  • Overnight

    Overnight: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 83. Light south wind becoming west 5 to 10 mph in the morning.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. West wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 82 °F

    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: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 60.

    Low: 60 °F

    Patchy Fog

  • Juneteenth

    Juneteenth: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 79.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 61.

    Low: 61 °F

    Patchy Fog

Detailed Forecast

Overnight
Partly cloudy, with a low around 61. Calm wind.
Monday
Sunny, with a high near 83. Light south wind becoming west 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 60. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 60.
Juneteenth
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 79.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 61.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 80.
Friday Night
Patchy fog. Otherwise, increasing clouds, with a low around 60.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 76.
Saturday Night
Increasing clouds, with a low around 59.
Sunday
Mostly sunny, with a high near 76.
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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:
1:10 pm PDT Jun 15, 2025
Forecast Valid:
1am PDT Jun 16, 2025-6pm PDT Jun 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation