Local Weather
| National Weather Service Forecast for:
Grass Valley CA Issued by: National Weather Service Sacramento, CA |
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| Updated: 1:21 am PST Dec 31, 2025 | ||||||||||||||||||
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| Today |
A 40 percent chance of rain, mainly after 2pm. Cloudy, with a temperature falling to around 50 by 5pm. Calm wind. New precipitation amounts of less than a tenth of an inch possible. |
| Tonight |
Rain, mainly after 7pm. Patchy fog before 9pm, then patchy fog after midnight. Low around 45. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible. |
| New Year's Day |
Rain. High near 52. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible. |
| Thursday Night |
Rain. Low around 46. South southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible. |
| Friday |
Rain. High near 53. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. |
| Friday Night |
Rain. The rain could be heavy at times. Low around 44. Chance of precipitation is 90%. |
| Saturday |
Rain before 10am, then showers and possibly a thunderstorm after 10am. Some of the storms could produce heavy rainfall. High near 48. Chance of precipitation is 100%. |
| Saturday Night |
Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Cloudy, with a low around 42. |
| Sunday |
Rain before 4pm, then showers and possibly a thunderstorm after 4pm. Cloudy, with a high near 47. |
| Sunday Night |
Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Cloudy, with a low around 40. |
| Monday |
Rain likely. Mostly cloudy, with a high near 48. |
| Monday Night |
Rain likely. Mostly cloudy, with a low around 39. |
| Tuesday |
A chance of rain. Partly sunny, with a high near 53. |
Forecast from NOAA-NWS for Grass Valley CA.
