Weather in Portola Valley, California, United States

7-Day Detailed Weather Forecast for Portola Valley

Today

Temperature: 61°F

Wind Speed: 3 to 20 mph

Wind Direction: SSE

Forecast: Areas of fog and a chance of rain before 9am, then rain likely and patchy fog. Mostly cloudy. High near 61, with temperatures falling to around 57 in the afternoon. South southeast wind 3 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Tonight

Temperature: 49°F

Wind Speed: 9 to 26 mph

Wind Direction: SSE

Forecast: Rain. Cloudy, with a low around 49. South southeast wind 9 to 26 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday

Temperature: 60°F

Wind Speed: 5 to 20 mph

Wind Direction: SSW

Forecast: Rain likely before 8am, then rain and areas of fog between 8am and 4pm, then showers and thunderstorms. Some of the storms could be severe. Cloudy. High near 60, with temperatures falling to around 56 in the afternoon. South southwest wind 5 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday Night

Temperature: 49°F

Wind Speed: 16 to 21 mph

Wind Direction: SSE

Forecast: Showers and thunderstorms before 7pm, then rain. Some of the storms could be severe. Cloudy, with a low around 49. South southeast wind 16 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Christmas Day

Temperature: 57°F

Wind Speed: 20 mph

Wind Direction: S

Forecast: Rain before 7am, then showers and thunderstorms. Cloudy, with a high near 57. South wind around 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Thursday Night

Temperature: 45°F

Wind Speed: 9 to 18 mph

Wind Direction: SSW

Forecast: Showers and thunderstorms before 7pm, then rain between 7pm and 10pm, then showers and thunderstorms between 10pm and 1am, then rain. Cloudy, with a low around 45. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Friday

Temperature: 56°F

Wind Speed: 7 to 10 mph

Wind Direction: SSW

Forecast: Rain. Cloudy, with a high near 56.

Friday Night

Temperature: 43°F

Wind Speed: 3 to 7 mph

Wind Direction: E

Forecast: Rain likely before 4am, then patchy fog and a slight chance of rain. Mostly cloudy, with a low around 43.

Saturday

Temperature: 56°F

Wind Speed: 5 mph

Wind Direction: N

Forecast: Areas of fog and a slight chance of rain before 11am. Mostly sunny, with a high near 56.

Saturday Night

Temperature: 38°F

Wind Speed: 5 mph

Wind Direction: NNE

Forecast: Mostly clear, with a low around 38.

Sunday

Temperature: 56°F

Wind Speed: 3 mph

Wind Direction: NNE

Forecast: Sunny, with a high near 56.

Sunday Night

Temperature: 39°F

Wind Speed: 3 mph

Wind Direction: NNE

Forecast: Mostly clear, with a low around 39.

Monday

Temperature: 58°F

Wind Speed: 3 mph

Wind Direction: NE

Forecast: Mostly sunny, with a high near 58.

Monday Night

Temperature: 41°F

Wind Speed: 2 mph

Wind Direction: NE

Forecast: Partly cloudy, with a low around 41.