10-Day Weather Forecast - Portola, CA

Sunny. Highs 84 to 94. Light winds becoming west 10 to 15 mph in the afternoon.

Partly cloudy with a slight chance of showers and thunderstorms in the evening then clear after midnight. Lows 46 to 56. West winds 10 to 15 mph. Gusts up to 30 mph in the evening.

Sunny. Highs 82 to 92. Light winds becoming west around 10 mph in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Lows 45 to 55. West winds 15 to 20 mph with gusts up to 35 mph shifting to the southwest around 10 mph after midnight.

Mostly cloudy with a chance of showers in the morning then partly cloudy in the afternoon. Highs 72 to 82.

Breezy. Clear in the evening then partly cloudy with a slight chance of showers after midnight. Lows 40 to 50.

Partly cloudy. Slight chance of showers in the morning then slight chance of showers and thunderstorms in the afternoon. Highs 64 to 74.

Breezy. Partly cloudy with a slight chance of showers. Lows 30 to 40.

Clear. Highs 66 to 76. Lows 35 to 45.

Clear. Highs 66 to 76. Lows 35 to 45.

Clear. Highs 78 to 88. Lows 41 to 51.

Clear. Highs 78 to 88. Lows 41 to 51.

Clear. Highs 78 to 88. Lows 41 to 51.

Clear. Low temperature around 44F. Dew point will be around 40F with an average humidity of 59%. Winds will be 6 mph from the W.

Sunny. High temperature around 76F. Dew point will be around 37F with an average humidity of 34%. Winds will be 10 mph from the SW.

Clear. Low temperature around 42F. Dew point will be around 39F with an average humidity of 61%. Winds will be 6 mph from the SW.

Sunny. High temperature around 77F. Dew point will be around 36F with an average humidity of 34%. Winds will be 11 mph from the SW.

Clear. Low temperature around 42F. Dew point will be around 38F with an average humidity of 58%. Winds will be 6 mph from the SW.