10-Day Weather Forecast - Portola, CA

Mostly cloudy with a chance of snow. Areas of dense freezing fog and patchy fog. Snow accumulation up to 4 inches. Highs 34 to 44. South winds 10 to 15 mph with gusts up to 30 mph.

Mostly cloudy with a chance of snow. Areas of dense freezing fog and patchy fog through the night. Snow accumulation up to 3 inches. Lows 18 to 28. Southwest winds 10 to 15 mph.

Mostly cloudy in the morning then becoming partly cloudy. Areas of dense freezing fog and patchy fog in the morning. Chance of snow. Snow accumulation up to 1 inch. Highs 33 to 43. Northwest winds 10 to 15 mph.

Clear in the evening then becoming partly cloudy. Lows 9 to 19. North winds around 10 mph in the evening becoming light.

Partly cloudy in the morning then clearing. Highs 30 to 40. Light winds becoming east around 10 mph in the afternoon.

Clear. Lows 9 to 19.

Clear. Highs 37 to 47. Lows 14 to 24.

Clear. Highs 37 to 47. Lows 14 to 24.

Clear. Highs 37 to 47. Lows 14 to 24.

Clear. Highs 37 to 47. Lows 14 to 24.

Sunny in the morning then becoming partly cloudy. Highs 40 to 50.

Mostly cloudy. Lows 20 to 30.

Mostly cloudy. Slight chance of rain and snow in the afternoon. Highs 42 to 47.

Cloudy with a chance of snow. Chance of precipitation 55%. Low temperature around 27F. Dew point will be around 31F with an average humidity of 93%. Winds will be 5 mph from the SW.

Cloudy with a chance of rain-snow mix. Chance of precipitation 60%. High temperature around 42F. Dew point will be around 30F with an average humidity of 80%. Winds will be 5 mph from the SW.

Mostly cloudy with a slight chance of snow. Chance of precipitation 30%. Low temperature around 24F. Dew point will be around 27F with an average humidity of 99%. Winds will be 2 mph from the W.

Sunny. High temperature around 38F. Dew point will be around 26F with an average humidity of 76%. Winds will be 2 mph from the N.

Clear. Low temperature around 24F. Dew point will be around 24F with an average humidity of 93%. Winds will be 1 mph from the N.

Sunny. High temperature around 38F. Dew point will be around 24F with an average humidity of 68%. Winds will be 1 mph from the NW.

Mostly clear. Low temperature around 24F. Dew point will be around 24F with an average humidity of 87%. Winds will be 1 mph from the W.