| NWS Forecast for: Mill Valley CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA Last Update: 2:31 am PDT Oct 15, 2026 |  |
| Overnight: Clear, with a low around 50. Calm wind. Thursday: Sunny, with a high near 86. North northeast wind 5 to 7 mph becoming calm in the afternoon. Thursday Night: Clear, with a low around 58. Light and variable wind. Friday: Sunny, with a high near 90. Northeast wind 5 to 7 mph becoming calm in the afternoon. Friday Night: Clear, with a low around 56. Calm wind. Saturday: Sunny, with a high near 85. Saturday Night: Clear, with a low around 52. Sunday: Patchy fog before 8am. Otherwise, sunny, with a high near 69. Sunday Night: Mostly clear, with a low around 50. Monday: Mostly sunny, with a high near 62. Monday Night: Partly cloudy, with a low around 51. Tuesday: Mostly sunny, with a high near 66. Tuesday Night: A slight chance of rain. Partly cloudy, with a low around 53. Wednesday: A slight chance of rain. Mostly sunny, with a high near 67. | |
| Mill Valley CA 37.91°N 122.56°W (Elev. 469 ft) | |
Visit your local NWS office at: https://www.weather.gov/mtr |
