| National Weather Service Forecast for:
5 Miles SW Portola Valley CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: 5:12 am PDT Mar 19, 2026 | ||||||||||||||||||
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| Today |
Sunny, with a high near 90. Calm wind becoming northeast around 6 mph in the afternoon. |
| Tonight |
Clear, with a low around 66. Light northeast wind. |
| Friday |
Sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon. |
| Friday Night |
Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm in the evening. |
| Saturday |
Partly sunny, with a high near 77. Light northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 21 mph. |
| Saturday Night |
Mostly clear, with a low around 53. |
| Sunday |
Sunny, with a high near 74. |
| Sunday Night |
Mostly clear, with a low around 50. |
| Monday |
Sunny, with a high near 75. |
| Monday Night |
Mostly clear, with a low around 53. |
| Tuesday |
Sunny, with a high near 75. |
| Tuesday Night |
Mostly clear, with a low around 51. |
| Wednesday |
Sunny, with a high near 67. |
Forecast from NOAA-NWS for 5 Miles SW Portola Valley CA.
