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Granite Bay, CA Weather Forecast
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Granite Bay Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY |
 |  | | | | | |  |  |  | | |
| Clear | Sunny | Mostly Clear | Sunny | Clear | Mostly Sunny | Clear | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain | Mostly Sunny |
| Lo: 63°FLo: 17°C | Hi: 96°FHi: 36°C | Lo: 63°FLo: 17°C | Hi: 92°FHi: 33°C | Lo: 58°FLo: 14°C | Hi: 77°FHi: 25°C | Lo: 50°FLo: 10°C | Hi: 72°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 73°FHi: 23°C Lo: 51°FLo: 11°C | Hi: 73°FHi: 23°C Lo: 51°FLo: 11°C | Hi: 74°FHi: 23°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 202 PM PDT Wed Oct 07 2026 
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Issued: 1206 PM PDT Wed Oct 7 2026
Key Messages
- Heat Advisory now in effect till 10 PM THURSDAY for the Sacramento Valley, Delta, northern San Joaquin Valley, and adjacent foothills.
- Widespread Moderate HeatRisk with areas of Major HeatRisk through Thursday for the Delta, Valley, and Foothills.
- Confidence is increasing for a cooling trend over the weekend, with some potential for unsettled weather.
Discussion
...
...Today & Thursday... Upper level ridging continues to dominate the synoptic pattern across interior NorCal this morning....