7-Day Forecast Summary
7-Day Detailed Weather Forecast for Portola Valley
Tonight |
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Temperature: 52°F Wind Speed: 1 mph Wind Direction: SSW Forecast: A slight chance of rain showers after 5am. Mostly cloudy, with a low around 52. South southwest wind around 1 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Wednesday |
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Temperature: 72°F Wind Speed: 1 mph Wind Direction: ESE Forecast: Rain showers likely. Mostly cloudy. High near 72, with temperatures falling to around 68 in the afternoon. East southeast wind around 1 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Wednesday Night |
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Temperature: 52°F Wind Speed: 1 mph Wind Direction: WSW Forecast: A chance of rain showers. Mostly cloudy. Low around 52, with temperatures rising to around 54 overnight. West southwest wind around 1 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
Thursday |
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Temperature: 70°F Wind Speed: 0 to 6 mph Wind Direction: W Forecast: A chance of rain showers before 7am, then a chance of rain showers and patchy fog between 7am and 5pm. Mostly cloudy, with a high near 70. West wind 0 to 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
Thursday Night |
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Temperature: 49°F Wind Speed: 1 to 6 mph Wind Direction: W Forecast: Mostly cloudy, with a low around 49. West wind 1 to 6 mph. |
Friday |
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Temperature: 75°F Wind Speed: 1 to 6 mph Wind Direction: NW Forecast: Patchy fog before 10am. Sunny, with a high near 75. |
Friday Night |
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Temperature: 48°F Wind Speed: 0 to 6 mph Wind Direction: NNW Forecast: Clear, with a low around 48. |
Saturday |
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Temperature: 78°F Wind Speed: 2 mph Wind Direction: NNE Forecast: Sunny, with a high near 78. |
Saturday Night |
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Temperature: 50°F Wind Speed: 1 mph Wind Direction: NNE Forecast: Mostly clear, with a low around 50. |
Sunday |
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Temperature: 79°F Wind Speed: 1 mph Wind Direction: N Forecast: Sunny, with a high near 79. |
Sunday Night |
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Temperature: 51°F Wind Speed: 1 mph Wind Direction: NNW Forecast: Mostly clear, with a low around 51. |
Monday |
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Temperature: 79°F Wind Speed: 2 mph Wind Direction: NNW Forecast: Sunny, with a high near 79. |
Monday Night |
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Temperature: 50°F Wind Speed: 2 mph Wind Direction: NNW Forecast: Partly cloudy, with a low around 50. |
Tuesday |
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Temperature: 77°F Wind Speed: 2 mph Wind Direction: NNW Forecast: Mostly sunny, with a high near 77. |

