
| National Weather Service Forecast for:
Grass Valley CA Issued by: National Weather Service Sacramento, CA |
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| Updated: 2:20 pm PDT Mar 19, 2026 | ||||||||||||||||||
|
| Overnight |
Clear, with a low around 57. Light east wind. |
| Friday |
Sunny, with a high near 86. Calm wind becoming south southwest around 5 mph. |
| Friday Night |
Mostly clear, with a low around 56. Light and variable wind. |
| Saturday |
Mostly sunny, with a high near 80. Calm wind becoming west southwest around 5 mph in the afternoon. |
| Saturday Night |
Mostly clear, with a low around 53. Light and variable wind. |
| Sunday |
Sunny, with a high near 79. |
| Sunday Night |
Mostly clear, with a low around 52. |
| Monday |
Mostly sunny, with a high near 78. |
| Monday Night |
Mostly clear, with a low around 52. |
| Tuesday |
Sunny, with a high near 79. |
| Tuesday Night |
Mostly clear, with a low around 52. |
| Wednesday |
Sunny, with a high near 75. |
| Wednesday Night |
Mostly clear, with a low around 49. |
| Thursday |
Sunny, with a high near 78. |
Forecast from NOAA-NWS for Grass Valley CA.