Brea, CA Weather Forecast
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Brea Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Mostly Clear | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Showers Likely | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Clear | Partly Cloudy |
| Lo: 67°FLo: 19°C | Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 64°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 57°FLo: 14°C | Hi: 71°FHi: 22°C | Lo: 54°FLo: 12°C | Hi: 73°FHi: 23°C | Lo: 55°FLo: 13°C | Hi: 76°FHi: 24°C |
| POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 114 PM PDT Thu Oct 08 2026 

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Issued: 1255 PM PDT Thu Oct 8 2026
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...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
Tonight through Saturday...
The ridge is continuing to break down, which is allowing for a cooling trend beginning today into tomorrow, and then even moreso on Saturday as we begin to become influenced by an approaching trough and tropical system moving into the region. Mostly clear skies will persist through tomorrow, with improving onshore flow and likely...
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