Weather WorldRock Lake, CA Weather Forecast
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Rock Lake Weather Forecast
| TODAY | TONIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY |
 |  |  |  | | | | | | | |
| Sunny | Mostly Clear | Chance of Rain | Chance of Rain | Sunny | Clear | Sunny | Clear | Clear | Clear | Clear |
| Hi: 60°FHi: 16°C | Lo: 37°FLo: 3°C | Hi: 53°FHi: 12°C | Lo: 34°FLo: 1°C | Hi: 62°FHi: 17°C | Lo: 39°FLo: 4°C | Hi: 68°FHi: 20°C | Hi: 71°FHi: 22°C Lo: 46°FLo: 8°C | Hi: 71°FHi: 22°C Lo: 46°FLo: 8°C | Hi: 71°FHi: 22°C Lo: 46°FLo: 8°C | Hi: 71°FHi: 22°C Lo: 46°FLo: 8°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 800 AM PDT Sun Oct 11 2026 
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Issued: 233 PM PDT Sat Oct 10 2026
Key Messages
- Red Flag Warning in effect from 7 AM Sunday to 5 AM Monday due to gusty north winds and low relative humidity for Northern Sacramento Valley and adjacent foothills.
- Pattern chance this weekend-early next week: cooler temperatures, chances for precipitation, isolated thunderstorms, and mountain snow.
- Potential for first measurable snow of the season in the Sierra Sunday PM - Monday, south of US 50 and above 6000 feet.
- Lingering mountain showers with continuing below-normal temperature...