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San Marcos High School, CA Weather Forecast

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San Marcos High School, CA Weather Forecast

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San Marcos High School CA weather - Overcast - 75°F
Overcast
75°F
Updated 11:06 pm
Feels Like 75°F
Humidity 87%
Wind SSE 3 mph
Barometer  29.86 in
Dew Point 71°F
San Marcos High School CA weather - Overcast - 24°C
Overcast
24°C
Updated 11:06 pm
Feels Like 24°C
Humidity 87%
Wind SSE 5 km/h
Barometer  101.1 kPa
Dew Point 22°C
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San Marcos High School Weather Forecast

TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
San Marcos High School, CA Weather - Tonight Partly Cloudy San Marcos High School, CA Weather - Sunday Patchy Fog San Marcos High School, CA Weather - Sunday Night Patchy Fog San Marcos High School, CA Weather - Monday Patchy Fog San Marcos High School, CA Weather - Monday Night Partly Cloudy San Marcos High School, CA Weather - Tuesday Patchy Fog San Marcos High School, CA Weather - Tuesday Night Chance Of Showers San Marcos High School, CA Weather - Wednesday Partly Cloudy San Marcos High School, CA Weather - Wednesday Night Partly Cloudy San Marcos High School, CA Weather - Thursday Partly Cloudy San Marcos High School, CA Weather - Thursday Night Partly Cloudy San Marcos High School, CA Weather - Friday Partly Cloudy
Partly Cloudy Patchy Fog Patchy Fog Patchy Fog Partly Cloudy Patchy Fog Chance of Showers Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Lo: 69°FLo: 21°C Hi: 87°FHi: 31°C
 Lo: 67°FLo: 19°C Hi: 84°FHi: 29°C
 Lo: 65°FLo: 18°C Hi: 84°FHi: 29°C
 Lo: 67°FLo: 19°C Hi: 85°FHi: 29°C
 Lo: 67°FLo: 19°C Hi: 86°FHi: 30°C
 Lo: 67°FLo: 19°C Hi: 86°FHi: 30°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1208 PM PDT Sat Aug 29 2026 San Marcos High School, CA Weather - WeatherWorld.com

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San Marcos High School Forecast Discussion

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Issued: 444 PM PDT Sat Aug 29 2026

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...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...

...UPDATED AVIATION DISCUSSION...

While high temperatures today will remain 3 to 7, locally up to 12 degrees above average they`re forecast to be 3 to 5 degrees cooler than yesterday. That cooling trend will continue through Tuesday or Wednesday for most locations. By Wednesday, high temperatures are expected to be 3 to 7 degrees below average for this time...