Trinity County Fairgrounds, CA Weather Forecast
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Trinity County Fairgrounds Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Clear | Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Clear |
| Lo: 53°FLo: 12°C | Hi: 88°FHi: 31°C | Lo: 55°FLo: 13°C | Hi: 90°FHi: 32°C | Lo: 57°FLo: 14°C | Hi: 89°FHi: 32°C | Hi: 91°FHi: 33°C Lo: 57°FLo: 14°C | Hi: 91°FHi: 33°C Lo: 57°FLo: 14°C | Lo: 57°FLo: 14°C | Hi: 90°FHi: 32°C | Hi: 90°FHi: 32°C Lo: 57°FLo: 14°C | Hi: 90°FHi: 32°C Lo: 57°FLo: 14°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 PM PDT Tue Sep 29 2026 

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Issued: 247 PM PDT Tue Sep 29 2026
Key Messages
- High pressure builds through the rest of the week, bringing an extended dry period with interior valley high temperatures warming into the 80s and 90s.
- A long-period west-northwest swell brings an elevated risk for sneaker waves along the shoreline.
- Widespread gusty winds with gusts from 20 to 25 mph expected today; wind prone areas of coastal Del Norte and the King Range could see gusts up to 35 mph today and tomorrow.
Discussion
...Broad mid-level ridging over the eastern Pacific wil...
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