Current conditions at

EW3236 Escondido (E3236)

Lat: 33.12117°NLon: 117.08983°WElev: 645.6ft.

NA

107°F

42°C

Humidity 29%
Wind Speed SSW 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 68°F (20°C)
Visibility NA
Heat Index115°F (46°C)
Last update 09 Sep 11:15 AM PDT
Extended Forecast for

San Marcos CA

Heat Advisory September 9, 08:00pm until September 10, 08:00pm
Extreme Heat Warning September 9, 11:29am until September 9, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning September 9, 11:29am until September 9, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Today

    High: 100 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 75. West wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 94. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. Calm wind becoming south around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. South wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 11am.  Otherwise, sunny, with a high near 82.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 100. Heat index values as high as 106. Southwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 75. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 94. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 71. Calm wind becoming south around 5 mph.
Friday
Sunny, with a high near 87. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 66.
Saturday
Patchy fog before 11am. Otherwise, sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos CA
 33.13°N 117.15°W (Elev. 794 ft)
1:36 am PDT Sep 9, 2026
11am PDT Sep 9, 2026-6pm PDT Sep 15, 2026
 
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