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Rancho Bernardo Middle School Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY |
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| Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 61°FLo: 16°C | Hi: 84°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 83°FHi: 28°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 63°FLo: 17°C | Hi: 87°FHi: 31°C | Lo: 67°FLo: 19°C | Hi: 89°FHi: 32°C | Lo: 68°FLo: 20°C | Hi: 89°FHi: 32°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1129 AM PDT Tue Sep 01 2026 
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Issued: 451 PM PDT Tue Sep 1 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
Generally a little cooler than at this time yesterday under sunny skies. Sfc pressure gradients are still onshore but trending weaker. The windy locations in the mtns and on desert slopes are reporting wind gusts of about 25-35 mph.
A low pressure system near the west coast will maintain onshore flow with a deeper marine lay...