| National Weather Service Forecast for:
Portola CA Issued by: National Weather Service Reno, NV |
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| Updated: 4:30 pm PDT Sep 12, 2026 | ||||||||||||||||||
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| Tonight |
Clear, with a low around 40. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph. |
| Sunday |
Sunny, with a high near 70. Northwest wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph. |
| Sunday Night |
Clear, with a low around 38. West wind 5 to 10 mph becoming light and variable in the evening. |
| Monday |
Sunny, with a high near 76. East wind 5 to 10 mph. |
| Monday Night |
Clear, with a low around 42. Northeast wind around 5 mph becoming calm in the evening. |
| Tuesday |
Sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon. |
| Tuesday Night |
Clear, with a low around 43. |
| Wednesday |
Sunny, with a high near 79. |
| Wednesday Night |
Clear, with a low around 44. |
| Thursday |
Sunny, with a high near 82. |
| Thursday Night |
Mostly clear, with a low around 46. |
| Friday |
Sunny, with a high near 83. |
| Friday Night |
Mostly clear, with a low around 47. |
| Saturday |
Sunny, with a high near 81. |
Forecast from NOAA-NWS for Portola CA.