Grimes, CA Weather Forecast
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Grimes Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY |
| Hazy | Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Clear | Mostly Clear | Chance of Rain | Mostly Clear | Mostly Clear |
| Lo: 44°FLo: 7°C | Hi: 66°FHi: 19°C | Lo: 44°FLo: 7°C | Hi: 68°FHi: 20°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 42°FLo: 6°C | Hi: 62°FHi: 17°C Lo: 42°FLo: 6°C | Hi: 62°FHi: 17°C Lo: 42°FLo: 6°C | Lo: 42°FLo: 6°C | Hi: 63°FHi: 17°C Lo: 42°FLo: 6°C | Hi: 63°FHi: 17°C Lo: 42°FLo: 6°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 800 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...
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