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

Carlsbad, McClellan-Palomar Airport (KCRQ)

Lat: 33.13°NLon: 117.27583°WElev: 328.0ft.

Overcast

66°F

19°C

Humidity 87%
Wind Speed N 3 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 08 Jul 02:09 AM PDT
Extended Forecast for

San Marcos CA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Patchy Fog

  • Wednesday

    Wednesday: Widespread haze between 8am and 2pm. Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81. Light west wind increasing to 5 to 10 mph in the morning.

    High: 81 °F

    Patchy Fog
    then Haze

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 64. West wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Widespread haze between 8am and 2pm. Patchy fog before 8am. Otherwise, sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 82 °F

    Patchy Fog
    then Haze

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 64. West wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 64.

    Low: 64 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 79.

    High: 79 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 62. Calm wind.
Wednesday
Widespread haze between 8am and 2pm. Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81. Light west wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 64. West wind around 5 mph becoming calm in the evening.
Thursday
Widespread haze between 8am and 2pm. Patchy fog before 8am. Otherwise, sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 64. West wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81.
Friday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 64.
Saturday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 79.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 80.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos CA
 33.13°N 117.18°W (Elev. 600 ft)
Last Update:
12:04 am PDT Jul 8, 2026
Forecast Valid:
2am PDT Jul 8, 2026-6pm PDT Jul 14, 2026
 
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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