| 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 22, 2026 | ||||||||||||||||||
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| Overnight |
Mostly cloudy, with a low around 50. Calm wind. |
| Monday |
Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming west southwest around 5 mph in the afternoon. |
| Monday Night |
Increasing clouds, with a low around 51. Calm wind. |
| Tuesday |
Mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming west southwest around 5 mph in the afternoon. |
| Tuesday Night |
Partly cloudy, with a low around 52. Calm wind. |
| Wednesday |
Mostly sunny, with a high near 73. |
| Wednesday Night |
Partly cloudy, with a low around 52. |
| Thursday |
Mostly sunny, with a high near 69. |
| Thursday Night |
Partly cloudy, with a low around 51. |
| Friday |
Mostly sunny, with a high near 66. |
| Friday Night |
Patchy fog. Otherwise, mostly cloudy, with a low around 54. |
| Saturday |
Partly sunny, with a high near 64. |
| Saturday Night |
Mostly clear, with a low around 50. |
| Sunday |
Sunny, with a high near 71. |
Forecast from NOAA-NWS for 5 Miles SW Portola Valley CA.
