Diablo, CA Weather Forecast
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Diablo Weather Forecast
| REST OF TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Sunny | Partly Cloudy | Mostly Cloudy | Chance of Showers | Partly Cloudy | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 60°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C Lo: 50°FLo: 10°C |
| POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 302 PM PDT Fri Oct 30 2026 

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Issued: 451 PM PDT Fri Oct 30 2026
Key Messages
Updated at 1213 PM PDT Fri Oct 30 2026- Minor to moderate coastal flooding at high tide for Bayshore and Pacific Coast locations through the weekend
- Seasonal to slightly below seasonal temperatures through the extended forecast
- Potential for rain Saturday and again next week
Aviation
... (00Z TAFS) Issued at 450 PM PDT Fri Oct 30 2026
VFR prevails with light rain chances likely in the following TAF issuance (after 06Z) for coastal sites. A mix of high to mid-level clouds persist through ...
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