
| National Weather Service Forecast for:
Grass Valley CA Issued by: National Weather Service Sacramento, CA |
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| Updated: 2:00 pm PDT Jun 6, 2026 | ||||||||||||||||||
|
| Tonight |
Clear, with a low around 52. Light and variable wind. |
| Sunday |
Sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon. |
| Sunday Night |
Partly cloudy, with a low around 54. Light and variable wind. |
| Monday |
Partly sunny, with a high near 72. Calm wind becoming south southwest around 6 mph in the afternoon. |
| Monday Night |
A 40 percent chance of rain. Mostly cloudy, with a low around 53. South wind 5 to 7 mph becoming calm in the evening. |
| Tuesday |
Mostly sunny, with a high near 74. |
| Tuesday Night |
Clear, with a low around 54. |
| Wednesday |
Sunny, with a high near 86. |
| Wednesday Night |
Clear, with a low around 59. |
| Thursday |
Sunny, with a high near 90. |
| Thursday Night |
Clear, with a low around 61. |
| Friday |
Sunny, with a high near 91. |
| Friday Night |
Clear, with a low around 60. |
| Saturday |
Sunny, with a high near 90. |
Forecast from NOAA-NWS for Grass Valley CA.