| National Weather Service Forecast for:
Grass Valley CA Issued by: National Weather Service Sacramento, CA |
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| Updated: 2:00 am PDT Jul 5, 2026 | ||||||||||||||||||
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| Today |
A slight chance of rain before noon, then a slight chance of rain after 1pm. Partly sunny, with a high near 83. South southwest wind 3 to 5 mph. Chance of precipitation is 20%. |
| Tonight |
Partly cloudy, with a low around 60. Light and variable wind. |
| Monday |
Sunny, with a high near 85. Calm wind becoming west southwest around 5 mph in the afternoon. |
| Monday Night |
Clear, with a low around 59. West southwest wind around 5 mph becoming calm in the evening. |
| Tuesday |
Sunny, with a high near 85. Calm wind becoming west southwest around 5 mph in the afternoon. |
| Tuesday Night |
Clear, with a low around 58. |
| Wednesday |
Sunny, with a high near 88. |
| Wednesday Night |
Clear, with a low around 62. |
| Thursday |
Sunny, with a high near 93. |
| Thursday Night |
Clear, with a low around 64. |
| Friday |
Sunny, with a high near 92. |
| Friday Night |
Mostly clear, with a low around 64. |
| Saturday |
Sunny, with a high near 90. |
Forecast from NOAA-NWS for Grass Valley CA.