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Alameda County Fairgrounds Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY | WEDNESDAY |
 |  |  |  | |  | | | | |  |
| Clear | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Clear | Sunny | Clear | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy |
| Lo: 65°FLo: 18°C | Hi: 95°FHi: 35°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 83°FHi: 28°C | Lo: 59°FLo: 15°C | Hi: 76°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 76°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 76°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 902 PM PDT Wed Aug 26 2026 
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Issued: 841 PM PDT Wed Aug 26 2026
Key Messages
Updated at 140 PM PDT Wed Aug 26 2026- Temperatures near to slightly below seasonal averages persist within the shallow marine layer through Thursday
- Seasonably warm and very dry conditions continue above 1000 feet and the far interior through Thursday
- Pattern change Friday into the weekend brings cooler temperatures and increased potential for tropical moisture
Aviation
... (06Z TAFS) Issued at 841 PM PDT Wed Aug 26 2026
It`s VFR across the forecast area except in the area of the Timber...