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Fallbrook Park, CA Weather Forecast
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Fallbrook Park Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 | | | | | |  |  |  | | | |
| Chance of Showers | Chance of Showers | Showers | Chance of Showers | Showers | Showers | Chance of Showers | Mostly Clear | Mostly Sunny | Clear | Sunny | Clear |
| Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 72°FHi: 22°C | Lo: 56°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 52°FLo: 11°C | Hi: 72°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 76°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 84°FHi: 29°C | Lo: 60°FLo: 16°C |
| POP: 20% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 251 AM PDT Sat Oct 10 2026 
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Issued: 441 AM PDT Sat Oct 10 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION FOR 12Z TAF ISSUANCE...
Thin mid/upper level clouds from TS Rachel are passing overhead which will yield to bright overcast skies today, with a slight (10- 15%) chance for isolated thunderstorms Saturday afternoon and evening east of the mountain peaks into the deserts, ahead of the more widespread unsettled weather. High temp...