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Westminster High School Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  |  |  | | | | | | | | |
| Chance of Showers | Chance of Showers | Mostly Sunny | Clear | Mostly Sunny | Clear | Mostly Sunny | Clear | Mostly Sunny | Clear | Mostly Sunny | Clear |
| Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 73°FHi: 23°C | Lo: 56°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 90°FHi: 32°C | Lo: 66°FLo: 19°C | Hi: 92°FHi: 33°C | Lo: 68°FLo: 20°C | Hi: 90°FHi: 32°C | Lo: 67°FLo: 19°C |
| POP: 70% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1235 AM PDT Mon Oct 12 2026 
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Issued: 451 AM PDT Mon Oct 12 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
.SHORT TERM (Today through Wednesday)... A closed low pressure system centered over Oregon early this morning will move southward into Nevada today and tonight, then move east for Tuesday night and Wednesday.
More widespread showers will continue along and west of the mountains through the morning. The greater coverage durin...