10-Day Weather Forecast - Portola, CA

Sunny. Highs 81 to 91. Light winds becoming southwest 10 to 15 mph in the afternoon.

Clear. Lows 42 to 52. West winds 10 to 15 mph with gusts up to 30 mph in the evening becoming light.

Partly cloudy in the morning then becoming sunny. Highs 82 to 92. Light winds becoming southwest around 10 mph in the afternoon.

Partly cloudy in the evening then becoming clear. Lows 43 to 53.

Sunny. Highs 80 to 90.

Partly cloudy. Lows 43 to 53.

Mostly sunny. Slight chance of showers in the afternoon. Highs 71 to 81.

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

Mostly sunny. Slight chance of showers in the afternoon. Highs 70 to 80.

Clear in the evening then becoming partly cloudy. Lows 37 to 47.

Sunny. Highs 67 to 77.

Mostly clear. Low temperature around 34F. Dew point will be around 39F with an average humidity of 78%. Winds will be 4 mph from the W.

Sunny. High temperature around 67F. Dew point will be around 31F with an average humidity of 40%. Winds will be 3 mph from the W.

Clear. Low temperature around 35F. Dew point will be around 32F with an average humidity of 60%. Winds will be 3 mph from the W.

Sunny. High temperature around 68F. Dew point will be around 30F with an average humidity of 36%. Winds will be 3 mph from the NW.

Clear. Low temperature around 38F. Dew point will be around 33F with an average humidity of 58%. Winds will be 2 mph from the W.

Mostly sunny. High temperature around 70F. Dew point will be around 33F with an average humidity of 37%. Winds will be 2 mph from the NW.

Mostly clear. Low temperature around 40F. Dew point will be around 37F with an average humidity of 63%. Winds will be 2 mph from the W.