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

EW3236 Escondido (E3236)

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

NA

85°F

29°C

Humidity 60%
Wind Speed SSW 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 70°F (21°C)
Visibility NA
Heat Index89°F (32°C)
Last update 30 Aug 10:00 AM PDT
Extended Forecast for

San Marcos CA

  • Today

    Today: Sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 84. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 64. West wind around 5 mph becoming calm after midnight.

    Low: 64 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 84. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 64. West wind around 5 mph becoming calm after midnight.
Tuesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 66.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 67.
Saturday
A slight chance of showers. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos CA
 33.15°N 117.16°W (Elev. 669 ft)
Last Update:
12:10 am PDT Aug 30, 2026
Forecast Valid:
10am PDT Aug 30, 2026-6pm PDT Sep 5, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation