10-Day Weather Forecast - Portola, CA

Sunny. Highs 64 to 74. Light winds becoming east around 10 mph in the afternoon.

Partly cloudy in the evening then becoming clear. Lows 35 to 45. Northeast winds around 10 mph in the evening becoming light.

Sunny. Highs 67 to 77. Light winds becoming southeast around 10 mph in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Lows 38 to 48.

Mostly cloudy. Highs 68 to 78.

Mostly cloudy with a chance of showers and thunderstorms. Lows 38 to 48. Highs 66 to 76.

Mostly cloudy with a chance of showers and thunderstorms. Lows 38 to 48. Highs 66 to 76.

Mostly cloudy with a chance of showers and thunderstorms. Lows 38 to 48. Highs 66 to 76.

Mostly cloudy. Slight chance of showers in the morning then chance of showers and thunderstorms in the afternoon. Highs 59 to 69.

Mostly cloudy with a chance of showers. Lows 34 to 44.

Mostly cloudy. Chance of showers in the morning then chance of showers and thunderstorms in the afternoon. Highs 58 to 68.

Partly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 36F. Dew point will be around 40F with an average humidity of 93%. Winds will be 4 mph from the W.

Sunny. High temperature around 65F. Dew point will be around 40F with an average humidity of 59%. Winds will be 4 mph from the NW.

Clear. Low temperature around 39F. Dew point will be around 40F with an average humidity of 77%. Winds will be 3 mph from the W.

Sunny. High temperature around 69F. Dew point will be around 38F with an average humidity of 47%. Winds will be 2 mph from the W.

Mostly clear. Low temperature around 42F. Dew point will be around 40F with an average humidity of 67%. Winds will be 3 mph from the W.

Partly cloudy. High temperature around 68F. Dew point will be around 38F with an average humidity of 44%. Winds will be 5 mph from the W.

Partly cloudy. Low temperature around 40F. Dew point will be around 39F with an average humidity of 69%. Winds will be 5 mph from the W.