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Alta Laguna Park, CA Weather Forecast
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Alta Laguna Park Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  | |  | | |  | | | | |
| Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Patchy Fog | Patchy Fog | Mostly Clear | Partly Cloudy | Mostly Clear | Partly Cloudy | Mostly Clear | Partly Cloudy |
| Lo: 73°FLo: 23°C | Hi: 83°FHi: 28°C | Lo: 70°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 67°FLo: 19°C | Hi: 77°FHi: 25°C | Lo: 65°FLo: 18°C | Hi: 76°FHi: 24°C | Lo: 64°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 63°FLo: 17°C | Hi: 76°FHi: 24°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1231 PM PDT Wed Sep 09 2026 
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Issued: 446 PM PDT Wed Sep 9 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
The stage has been set for another dangerously hot and humid afternoon and evening in Southern California. Several locations in the coastal basin astonishingly did not drop below 80 degrees this morning. Strong upper ridging is peaking today and tonight with 500 mb heights around 595-596 mb. Also, surface analysis reveals a...