10-Day Weather Forecast - Portola Valley, CA
- |42°FPartly CloudyHourly details
Tonight
42°FPartly cloudy. Lows around 50. West winds 5 to 10 mph.
- 72|44°FPartly CloudyHourly details
Day
72°FPartly cloudy. Highs in the 60s to mid 70s. Southwest winds up to 5 mph. . . Becoming northwest in the afternoon.
Night
44°FMostly cloudy in the evening then becoming partly cloudy. Lows around 50. West winds 5 to 10 mph.
Weekend Weather
- 72|45°FPartly CloudyHourly details
Day
72°FPartly cloudy in the morning then becoming sunny. Highs in the 60s to upper 70s. West winds 5 to 10 mph.
Night
45°FMostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. West winds 5 to 15 mph.
- 79|51°FPartly CloudyHourly details
Day
79°FMostly cloudy in the morning then becoming partly cloudy. Highs in the 70s to mid 80s.
Night
51°FPartly cloudy. Lows in the upper 50s. Highs in the 80s.
- 85|52°FPartly CloudyHourly details
Day
85°FPartly cloudy. Lows in the upper 50s. Highs in the 80s.
Night
52°FClear. Lows in the upper 50s. Highs in the upper 70s to lower 90s.
- 87|53°FSunnyHourly details
Day
87°FClear. Lows in the upper 50s. Highs in the upper 70s to lower 90s.
Night
53°FClear. Lows in the upper 50s. Highs in the upper 70s to lower 90s.
- 84|53°FSunnyHourly details
Day
84°FClear. Lows in the upper 50s. Highs in the upper 70s to lower 90s.
Night
53°FMostly clear. Lows in the upper 50s. Highs in the 70s to upper 80s.
- 85|53°FMostly Sunny
Day
85°FMostly clear. Lows in the upper 50s. Highs in the 70s to upper 80s.
Night
53°FClear. Low temperature around 53F. Dew point will be around 50F with an average humidity of 69%. Winds will be 2 mph from the W.
- 82|50°FSunny
Day
82°FSunny. High temperature around 82F. Dew point will be around 52F with an average humidity of 48%. Winds will be 2 mph from the NW.
Night
50°FMostly clear. Low temperature around 50F. Dew point will be around 49F with an average humidity of 70%. Winds will be 2 mph from the W.
Weekend Weather
- 75|45°FPartly Cloudy
Day
75°FPartly cloudy. High temperature around 75F. Dew point will be around 51F with an average humidity of 55%. Winds will be 3 mph from the W.
Night
45°FPartly cloudy. Low temperature around 45F. Dew point will be around 46F with an average humidity of 77%. Winds will be 3 mph from the W.













