10-Day Weather Forecast - Portola Valley, CA

Sunny. Highs in the mid 60s to lower 70s. Northeast winds 5 to 10 mph.

Mostly clear. Lows in the 40s. Northeast winds 5 to 10 mph.

Sunny. Highs around 70. Northeast winds 5 to 10 mph.

Mostly clear. Lows in the upper 40s. East winds 5 to 10 mph.

Partly cloudy. Highs in the upper 60s.

Mostly cloudy. Lows in the lower 50s. Highs in the mid 60s.

Mostly cloudy. Lows in the lower 50s. Highs in the mid 60s.

Partly cloudy. Lows around 50. Highs in the 60s.

Partly cloudy. Lows around 50. Highs in the 60s.

Partly cloudy in the evening then becoming mostly cloudy. A slight chance of rain. Lows around 50.

Mostly cloudy. A chance of rain. Highs in the lower 60s. Lows in the upper 40s.

Mostly cloudy. A chance of rain. Highs in the lower 60s. Lows in the upper 40s.

Mostly cloudy. A chance of rain. Highs in the lower 60s. Lows in the upper 40s.

Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 35F. Dew point will be around 39F with an average humidity of 99%. Winds will be 6 mph from the W.

Mostly cloudy. High temperature around 51F. Dew point will be around 42F with an average humidity of 83%. Winds will be 6 mph from the NW.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 33F. Dew point will be around 37F with an average humidity of 98%. Winds will be 5 mph from the W.

Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 51F. Dew point will be around 41F with an average humidity of 82%. Winds will be 3 mph from the NW.

Mostly clear. Low temperature around 34F. Dew point will be around 37F with an average humidity of 99%. Winds will be 3 mph from the W.