Collier Park, CA Weather Forecast
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Collier Park Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Patchy Fog | Patchy Fog | Patchy Fog | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Sunny | Clear | Mostly Sunny | Clear |
| Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 83°FHi: 28°C | Lo: 59°FLo: 15°C | Hi: 86°FHi: 30°C | Lo: 57°FLo: 14°C | Hi: 86°FHi: 30°C | Lo: 58°FLo: 14°C | Hi: 83°FHi: 28°C | Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C | Lo: 64°FLo: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1221 AM PDT Sun Sep 13 2026 

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Issued: 139 AM PDT Sun Sep 13 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
The 00z San Diego sounding shows a well mixed marine layer in the lowest 2,000 feet of the atmosphere with a strong inversion above it. Nighttime satellite imagery also shows this as tonight`s clouds are filled in over a very broad extent, from over the coastal waters up to 20 miles inland throughout SD County and Orange County. Clouds are likely to eventu...
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