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Castella Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  | | | | |  | | |  | | |
| Clear | Sunny | Clear | Sunny | Clear | Mostly Sunny | Partly Cloudy | Mostly Clear | Mostly Clear | Chance of Rain | Mostly Sunny | Chance of Rain |
| Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 63°FHi: 17°C | Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 56°FHi: 13°C Lo: 40°FLo: 4°C | Hi: 56°FHi: 13°C Lo: 40°FLo: 4°C | Lo: 39°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 42°FLo: 6°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 201 PM PDT Mon Oct 26 2026 
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Issued: 1239 PM PDT Mon Oct 26 2026
Key Messages
- Cool and dry weather through Friday
- Breezy southwest winds today, strongest over the higher elevations of the southern Cascades and northern Sierra
- Pattern change to unsettled weather this weekend
.DISCUSSION...
...Today through Friday... Latest GOES-west visible satellite shows some low to mid level clouds over the mountains this afternoon, especially for Shasta County and the Coast Range. Temperatures are currently trending approximately 3 to 8 degrees cooler than this time yesterday...