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Fountain Valley High School, CA Weather Forecast
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Fountain Valley High School Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | | | | |  | | | | |  |
| Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Partly Cloudy | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Sunny |
| Lo: 66°FLo: 19°C | Hi: 78°FHi: 26°C | Lo: 64°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 66°FLo: 19°C | Hi: 80°FHi: 27°C | Lo: 67°FLo: 19°C | Hi: 81°FHi: 27°C | Lo: 70°FLo: 21°C | Hi: 84°FHi: 29°C | Lo: 71°FLo: 22°C | Hi: 86°FHi: 30°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1154 AM PDT Sun Sep 27 2026 
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Issued: 455 PM PDT Sun Sep 27 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
This afternoon...Satellite imagery shows widespread mid and high clouds covering the region. These clouds are associated with the moisture plume from the weakening tropical cyclone Odalys. The moisture is being drawn into SoCal by the southwest flow aloft. Low clouds south and east of Orange County can`t be seen in the sate...