Weather WorldColumbus School, CA Weather Forecast
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| Partly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Sunny | Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Mostly Clear |
| Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 67°FHi: 19°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 76°FHi: 24°C Lo: 59°FLo: 15°C | Hi: 76°FHi: 24°C Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Hi: 76°FHi: 24°C Lo: 59°FLo: 15°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 604 AM PDT Sat Sep 26 2026 
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Issued: 452 AM PDT Sat Sep 26 2026
Key Messages
Updated at 1238 PM PDT Fri Sep 25 2026- Cooler conditions through the weekend
- Warmer temperatures next week
Aviation
... (12Z TAFS) Issued at 420 AM PDT Sat Sep 26 2026
Pockets of MVFR have developed this morning across the Napa River Valley and bayshore portions of the East Bay (including APC and OAK) thanks to clear skies and sufficient low level moisture. The depth of this moisture is shallow per our presently ascending weather balloon from OAK and should translate to clearing roughly...