| NWS Forecast for: Grass Valley CA Issued by: National Weather Service Sacramento, CA Last Update: 2:00 pm PDT Jun 29, 2026 | |
| Tonight: Mostly clear, with a low around 56. Light and variable wind. Tuesday: Sunny, with a high near 82. Calm wind becoming west southwest around 6 mph in the afternoon. Tuesday Night: Clear, with a low around 57. Southwest wind around 5 mph becoming calm in the evening. Wednesday: Sunny, with a high near 81. Calm wind becoming west southwest around 6 mph in the afternoon. Wednesday Night: Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm in the evening. Thursday: Sunny, with a high near 78. Thursday Night: Mostly clear, with a low around 56. Friday: Sunny, with a high near 82. Friday Night: Clear, with a low around 59. Independence Day: Sunny, with a high near 86. Saturday Night: Mostly clear, with a low around 61. Sunday: Sunny, with a high near 85. Sunday Night: Mostly clear, with a low around 60. Monday: Sunny, with a high near 84. | |
| Grass Valley CA 39.23°N 121.08°W (Elev. 2598 ft) | |
Visit your local NWS office at: https://www.weather.gov/sto |



