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El Casco Lake Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Mostly Sunny | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Showers | Showers | Showers | Chance of Showers | Partly Cloudy | Mostly Clear | Mostly Sunny | Clear |
| Hi: 93°FHi: 34°C | Lo: 64°FLo: 18°C | Hi: 84°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 52°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 48°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 78°FHi: 26°C | Lo: 54°FLo: 12°C |
| POP: 50% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1214 AM PDT Fri Oct 09 2026 
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Issued: 507 AM PDT Fri Oct 9 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION FOR 12Z TAF ISSUANCE...
As of 12:30 AM local time, a few low clouds were covering parts of coastal San Diego County. Perhaps some very localized fog exists where clouds and terrain are intersecting, reducing visibility`s below 1 mile. Nearly 800 nautical miles to the southwest, Tropical Storm Rachel has begun its turn northeas...