
| National Weather Service Forecast for:
Grass Valley CA Issued by: National Weather Service Sacramento, CA |
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| Updated: 1:21 pm PST Jan 16, 2026 | ||||||||||||||||||
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| Tonight |
Clear, with a low around 43. East wind around 6 mph. |
| Saturday |
Sunny, with a high near 67. East wind around 5 mph becoming calm in the morning. |
| Saturday Night |
Partly cloudy, with a low around 46. Calm wind. |
| Sunday |
Mostly sunny, with a high near 65. Calm wind. |
| Sunday Night |
Mostly clear, with a low around 43. Light east northeast wind. |
| M.L.King Day |
Sunny, with a high near 65. |
| Monday Night |
Clear, with a low around 42. |
| Tuesday |
Sunny, with a high near 65. |
| Tuesday Night |
Mostly clear, with a low around 42. |
| Wednesday |
Mostly sunny, with a high near 62. |
| Wednesday Night |
Partly cloudy, with a low around 42. |
| Thursday |
Mostly sunny, with a high near 57. |
| Thursday Night |
A slight chance of rain. Partly cloudy, with a low around 39. |
| Friday |
A slight chance of rain. Mostly sunny, with a high near 55. |
Forecast from NOAA-NWS for Grass Valley CA.