Weather WorldGrass Valley, OR Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Grass Valley Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  |  |  | | | | | |  | |
| Mostly Cloudy | Mostly Cloudy | Rain Showers | Chance of Showers | Chance of Showers | Chance of Showers | Rain Showers | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Sunny | Chance of Showers |
| Hi: 60°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 56°FHi: 13°C | Lo: 36°FLo: 2°C | Hi: 57°FHi: 14°C | Lo: 40°FLo: 4°C | Hi: 53°FHi: 12°C | Lo: 36°FLo: 2°C | Hi: 50°FHi: 10°C Lo: 36°FLo: 2°C | Hi: 50°FHi: 10°C Lo: 36°FLo: 2°C | Hi: 46°FHi: 8°C | Lo: 33°FLo: 1°C |
| POP: 70% | POP: 50% | POP: 20% | POP: 50% | POP: 70% | POP: 50% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 402 AM PST Thu Nov 12 2026 
Grass Valley Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Grass Valley Weather Map
Grass Valley Quick Facts
Grass Valley Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 401 AM PST Thu Nov 12 2026
Key Messages
- Areas of dense fog prevailing in the overnight to late morning hours today and Thursday night.
- Pattern favors dry conditions in the short-term through today with breezy winds across the area before another weather system goes through the region.
- Active weather resumes Friday (90% confidence) through the weekend with moderate to heavy showers with embedded gusty winds through the area (50-70% chance).
Discussion
... Satellite displays mid to low-level clouds through the area with areas ...