Weather in Portola Valley, California, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Portola Valley
Today |
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Temperature: 61°F Wind Speed: 5 to 16 mph Wind Direction: S Forecast: Rain before 1pm, then rain and areas of fog. Cloudy. High near 61, with temperatures falling to around 56 in the afternoon. South wind 5 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. |
Tonight |
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Temperature: 51°F Wind Speed: 5 mph Wind Direction: SSE Forecast: Rain and areas of fog. Cloudy, with a low around 51. South southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
Tuesday |
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Temperature: 61°F Wind Speed: 6 to 22 mph Wind Direction: SSE Forecast: Rain and areas of fog. Cloudy. High near 61, with temperatures falling to around 57 in the afternoon. South southeast wind 6 to 22 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible. |
Tuesday Night |
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Temperature: 47°F Wind Speed: 7 to 25 mph Wind Direction: S Forecast: Rain before 4am, then rain likely and patchy fog. Cloudy, with a low around 47. South wind 7 to 25 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. |
Wednesday |
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Temperature: 60°F Wind Speed: 6 to 13 mph Wind Direction: S Forecast: Rain and patchy fog. Cloudy, with a high near 60. South wind 6 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible. |
Wednesday Night |
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Temperature: 48°F Wind Speed: 13 to 18 mph Wind Direction: S Forecast: Rain. Cloudy, with a low around 48. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. |
Christmas Day |
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Temperature: 57°F Wind Speed: 15 to 18 mph Wind Direction: S Forecast: Rain before 4pm, then showers and thunderstorms. Cloudy, with a high near 57. |
Thursday Night |
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Temperature: 45°F Wind Speed: 7 to 15 mph Wind Direction: S Forecast: Showers and thunderstorms before 4am, then rain and patchy fog. Cloudy, with a low around 45. |
Friday |
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Temperature: 56°F Wind Speed: 9 mph Wind Direction: SW Forecast: Rain and patchy fog. Mostly cloudy, with a high near 56. |
Friday Night |
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Temperature: 40°F Wind Speed: 2 to 8 mph Wind Direction: NNW Forecast: A chance of rain before midnight, then areas of fog and a slight chance of rain. Partly cloudy, with a low around 40. |
Saturday |
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Temperature: 55°F Wind Speed: 3 mph Wind Direction: NNE Forecast: Areas of fog and a slight chance of rain before 4pm. Mostly sunny, with a high near 55. |
Saturday Night |
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Temperature: 38°F Wind Speed: 3 mph Wind Direction: NNE Forecast: Patchy fog after midnight. Mostly clear, with a low around 38. |
Sunday |
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Temperature: 56°F Wind Speed: 5 mph Wind Direction: NNE Forecast: Patchy fog before 10am. Mostly sunny, with a high near 56. |
Sunday Night |
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Temperature: 38°F Wind Speed: 3 mph Wind Direction: NNE Forecast: Patchy fog after 5am. Partly cloudy, with a low around 38. |