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Nicolaus Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY |
 |  | | | | | | | | | | |
| Clear | Sunny | Clear | Mostly Sunny | Clear | Sunny | Clear | Clear | Clear | Clear | Clear | Clear |
| Lo: 48°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 46°FLo: 8°C | Hi: 74°FHi: 23°C | Lo: 48°FLo: 9°C | Hi: 78°FHi: 26°C Lo: 49°FLo: 9°C | Hi: 78°FHi: 26°C Lo: 49°FLo: 9°C | Hi: 84°FHi: 29°C Lo: 53°FLo: 12°C | Hi: 84°FHi: 29°C Lo: 53°FLo: 12°C | Hi: 84°FHi: 29°C Lo: 53°FLo: 12°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 202 PM PDT Sat Oct 10 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...