10-Day Weather Forecast - Portola, CA

Partly cloudy. Slight chance of showers in the afternoon. Highs 62 to 72. Southwest winds around 10 mph increasing to west 15 to 20 mph with gusts up to 40 mph in the afternoon.

Mostly cloudy with a chance of showers. Lows 36 to 46. Southwest winds 10 to 15 mph. Gusts up to 40 mph in the evening.

Chance of showers in the morning then showers likely and slight chance of thunderstorms in the afternoon. Highs 52 to 62. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the afternoon.

Showers likely in the evening then chance of showers after midnight. Snow level 6500 to 7000 feet. Lows 33 to 43. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.

Breezy. Chance of showers in the morning then showers likely and snow showers in the afternoon. Highs 47 to 57.

Breezy. Showers and heavy snow showers in the evening then showers likely after midnight. Lows 25 to 35.

Breezy. Showers likely. Highs 42 to 52.

Partly cloudy with a slight chance of snow showers in the evening then clear after midnight. Lows 18 to 28.

Clear. Highs 48 to 58. Lows 22 to 32.

Clear. Highs 48 to 58. Lows 22 to 32.

Clear. Highs 57 to 67. Lows 27 to 37.

Clear. Highs 57 to 67. Lows 27 to 37.

Sunny. Highs 64 to 74.

Mostly clear. Low temperature around 32F. Dew point will be around 30F with an average humidity of 65%. Winds will be 3 mph from the W.

Sunny. High temperature around 61F. Dew point will be around 30F with an average humidity of 43%. Winds will be 5 mph from the W.

Mostly clear. Low temperature around 30F. Dew point will be around 30F with an average humidity of 71%. Winds will be 5 mph from the W.

Sunny. High temperature around 57F. Dew point will be around 31F with an average humidity of 51%. Winds will be 5 mph from the W.

Clear. Low temperature around 28F. Dew point will be around 28F with an average humidity of 72%. Winds will be 4 mph from the W.