| National Weather Service Forecast for:
Portola Valley CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: 1:26 pm PDT Apr 6, 2026 | ||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 71. West southwest wind around 7 mph. |
| Tonight |
Partly cloudy, with a low around 47. West southwest wind around 5 mph becoming calm in the evening. |
| Tuesday |
Sunny, with a high near 71. Calm wind becoming northwest 5 to 7 mph in the afternoon. |
| Tuesday Night |
Mostly clear, with a low around 50. West wind around 6 mph becoming calm in the evening. |
| Wednesday |
Sunny, with a high near 73. Calm wind becoming west northwest around 6 mph in the afternoon. |
| Wednesday Night |
Mostly cloudy, with a low around 53. |
| Thursday |
A 30 percent chance of rain after 11am. Partly sunny, with a high near 71. |
| Thursday Night |
A chance of rain. Mostly cloudy, with a low around 52. |
| Friday |
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 70. |
| Friday Night |
A chance of rain. Mostly cloudy, with a low around 50. |
| Saturday |
A chance of rain. Partly sunny, with a high near 66. |
| Saturday Night |
A chance of rain. Mostly cloudy, with a low around 47. |
| Sunday |
A chance of rain. Partly sunny, with a high near 64. |
Forecast from NOAA-NWS for Portola Valley CA.
