Today
Portola Valley, California
Tomorrow
91°
HIGH
64°
LOW
Thursday
82°
Friday
80°
62°
Saturday
93.33%
92.57%
92.33%
92.00%
91.33%
87.00%
85.33%
78.18%
74.67%
73.33%
69.00%
67.33%
90.70%
88.62%
88.37%
87.28%
86.88%
79.44%
76.81%
72.86%
71.62%
68.45%
67.16%
64.35%
12.0% of AerisWeather's high temperature forecasts for Portola Valley were exactly right last month.
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