Weather WorldFrench Valley Trail, CA Weather Forecast
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French Valley Trail Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  |  | |  |  | | | | | | |
| Mostly Sunny | Showers Likely | Showers | Chance of Showers | Partly Cloudy | Mostly Clear | Sunny | Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear |
| Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 58°FHi: 14°C | Lo: 44°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 66°FHi: 19°C | Lo: 48°FLo: 9°C | Hi: 67°FHi: 19°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C |
| POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1236 AM PDT Wed Oct 21 2026 
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Issued: 455 AM PDT Wed Oct 21 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
.SHORT TERM (Today through Friday)... The center of a closed low pressure system will move slowly eastward to a position near Point Conception by Thursday morning, then move more rapidly northeastward into Nevada by late Thursday evening. This will continue the cooling trend through Thursday with Thursday high temperatures ...