10-Day Weather Forecast - Portola Valley, CA
- |44°FMostly CloudyHourly details
Tonight
44°FMostly cloudy. Lows in the lower 50s. Light winds.
- 70|38°FMostly CloudyHourly details
Day
70°FMostly cloudy in the morning then becoming sunny. Highs in the mid 60s to lower 70s. Light winds. . . Becoming west around 5 mph in the afternoon.
Night
38°FPartly cloudy. Patchy fog after midnight. Lows around 50. West winds around 5 mph in the evening. . . Becoming light.
Weekend Weather
- 67|39°FPartly CloudyHourly details
Day
67°FPartly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 60s. Light winds. . . Becoming northwest 5 to 10 mph in the afternoon.
Night
39°FMostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. West winds around 5 mph in the evening. . . Becoming light.
- 64|43°FPartly CloudyHourly details
Day
64°FMostly cloudy in the morning then becoming partly cloudy. Highs in the 60s.
Night
43°FMostly cloudy. Patchy fog. A slight chance of rain. Lows in the lower 50s.
- 62|40°FMostly CloudyHourly details
Day
62°FMostly cloudy. Patchy fog. Highs in the lower 60s.
Night
40°FMostly cloudy. A slight chance of rain. Lows in the upper 40s.
- 60|37°FChance of RainHourly details
Day
60°FMostly cloudy. A chance of rain. Highs around 60. Lows in the 40s.
Night
37°FMostly cloudy. A chance of rain. Highs around 60. Lows in the 40s.
- 59|36°FChance of RainHourly details
Day
59°FMostly cloudy. A chance of rain. Highs around 60. Lows in the 40s.
Night
36°FPartly cloudy. A slight chance of rain. Lows in the lower to mid 40s.
- 62|38°FPartly Cloudy
Day
62°FPartly cloudy. Highs in the upper 50s to mid 60s.
Night
38°FMostly clear. Low temperature around 38F. Dew point will be around 41F with an average humidity of 96%. Winds will be 2 mph from the NW.
- 59|37°FMostly Sunny
Day
59°FMostly sunny. High temperature around 59F. Dew point will be around 44F with an average humidity of 76%. Winds will be 4 mph from the NW.
Night
37°FClear. Low temperature around 37F. Dew point will be around 39F with an average humidity of 96%. Winds will be 4 mph from the W.
Weekend Weather
- 53|36°F60% Chance of Rain
Day
53°FCloudy with a chance of rain. Chance of precipitation 55%. High temperature around 53F. Dew point will be around 43F with an average humidity of 81%. Winds will be 4 mph from the SW.
Night
36°FCloudy with probable rain. Chance of precipitation 65%. Low temperature around 36F. Dew point will be around 38F with an average humidity of 98%. Winds will be 6 mph from the SW.
- 51|33°F60% Chance of Rain
Day
51°FCloudy with a chance of rain. Chance of precipitation 60%. High temperature around 51F. Dew point will be around 40F with an average humidity of 80%. Winds will be 2 mph from the SW.
Night
33°FMostly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 33F. Dew point will be around 34F with an average humidity of 94%. Winds will be 2 mph from the SW.














