| NWS Forecast for: 3 Miles S Portola Valley CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA Last Update: 1:26 am PDT Sep 15, 2026 | |
| Overnight: Mostly clear, with a low around 54. South southwest wind around 6 mph. Tuesday: Sunny, with a high near 70. South wind 3 to 6 mph. Tuesday Night: Mostly clear, with a low around 55. South southwest wind around 6 mph. Wednesday: Mostly sunny, with a high near 64. South southwest wind 6 to 8 mph. Wednesday Night: Partly cloudy, with a low around 56. Southwest wind 5 to 7 mph. Thursday: Mostly sunny, with a high near 70. Thursday Night: Mostly clear, with a low around 56. Friday: Sunny, with a high near 74. Friday Night: Mostly clear, with a low around 58. Saturday: Sunny, with a high near 70. Saturday Night: Partly cloudy, with a low around 58. Sunday: Mostly sunny, with a high near 68. Sunday Night: Partly cloudy, with a low around 58. Monday: Mostly sunny, with a high near 69. | |
| 3 Miles S Portola Valley CA 37.33°N 122.21°W (Elev. 2231 ft) | |
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