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Get the Portola Valley, CA local weather forecast by the hour and the next 10 days.
Get the Portola Valley, CA local weather forecast by the hour and the next 10 days. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways ...
Get the Portola, CA local weather forecast by the hour and the next 10 days. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways ...
Weather Underground's reporting station in Petaluma had a record high temperature of 111 °F (44 °C) on September 6, 2020. The record low temperature of 16 °F (−9 °C) was recorded on November 14, 1916, and December 14, 1932.
The Santa Anas are katabatic winds (Greek for "flowing downhill") arising in higher altitudes and blowing down towards sea level. [7] The National Weather Service defines Santa Ana winds as "a weather condition [in southern California] in which strong, hot, dust-bearing winds descend to the Pacific Coast around Los Angeles from inland desert regions".
The National Weather Service, which maintains both a forecast center and a cooperative office in Redwood City, reports that December is the coolest month and July is the warmest month. The record highest temperature of 110 °F (43 °C) was recorded on three occasions, July 14 and 15, 1972, and September 6, 2022. [ 16 ]
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Portola Valley is known for its expansive trail network both maintained by the town [32] and also in the Windy Hill Open Space Preserve maintained by the Midpeninsula Regional Open Space District. [ 33 ] [ 34 ] The trail network includes the 235 acre Coal Mine Ridge Nature Preserve which is private property, but, by agreement with the town is ...