| 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: 1:26 am PDT Jun 30, 2026 | ||||||||||||||||||
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| Overnight |
Partly cloudy, with a low around 51. Calm wind. |
| Tuesday |
Mostly sunny, with a high near 68. Calm wind becoming south southwest around 6 mph in the afternoon. |
| Tuesday Night |
Increasing clouds, with a low around 50. Calm wind. |
| Wednesday |
Cloudy, then gradually becoming mostly sunny, with a high near 66. Calm wind becoming southwest around 6 mph in the afternoon. |
| Wednesday Night |
Mostly cloudy, with a low around 50. Light southwest wind. |
| Thursday |
Partly sunny, with a high near 63. |
| Thursday Night |
Mostly cloudy, with a low around 50. |
| Friday |
Partly sunny, with a high near 68. |
| Friday Night |
Partly cloudy, with a low around 52. |
| Independence Day |
Partly sunny, with a high near 69. |
| Saturday Night |
Patchy fog. Otherwise, mostly cloudy, with a low around 52. |
| Sunday |
Partly sunny, with a high near 67. |
| Sunday Night |
Mostly cloudy, with a low around 52. |
| Monday |
Partly sunny, with a high near 66. |
Forecast from NOAA-NWS for 5 Miles SW Portola Valley CA.
