Portola Valley, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Tuesday
    Partly Cloudy
    62°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Tuesday 4/23
    Day
    62°
    Partly Cloudy
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy late in the morning then becoming sunny. Highs in the upper 60s. South winds 10 to 20 mph.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. Southwest winds 10 to 20 mph. . . Becoming south 5 to 10 mph after midnight.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    64°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Wednesday 4/24
    Day
    64°
    Partly Cloudy
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 60s. South winds around 5 mph. . . Becoming southwest in the afternoon.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. West winds 10 to 20 mph. . . Becoming 5 to 10 mph after midnight.
  • Forecast day icon
    Thursday
    Mostly Cloudy
    62°
    Forecast night icon
    Night
    Chance of Rain Showers
    49°
    Thursday 4/25
    Day
    62°
    Mostly Cloudy
    Forecast day icon
    Night
    49°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Breezy. Highs in the mid 60s. West winds 5 to 15 mph increasing to 20 to 30 mph in the afternoon.
    Night Details
    Mostly cloudy. A slight chance of showers. Lows in the mid 50s.
  • Forecast day icon
    Friday
    Partly Cloudy
    63°
    Forecast night icon
    Night
    Mostly Clear
    46°
    Friday 4/26
    Day
    63°
    Partly Cloudy
    Forecast day icon
    Night
    46°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 60s.
    Night Details
    Mostly clear. Lows in the lower 50s. Highs in the mid 60s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    66°
    Forecast night icon
    Night
    Mostly Clear
    46°
    Saturday 4/27
    Day
    66°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the lower 50s. Highs in the mid 60s.
    Night Details
    Mostly clear. Lows in the lower 50s. Highs in the mid 60s.
  • Forecast day icon
    Sunday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Sunday 4/28
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning then becoming sunny. Highs in the upper 60s.
    Night Details
    Mostly clear. Lows in the lower 50s. Highs in the upper 60s.
  • Forecast day icon
    Monday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    46°
    Monday 4/29
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly clear. Lows in the lower 50s. Highs in the upper 60s.
    Night Details
    Mostly clear. Low temperature around 46F. Dew point will be around 43F with an average humidity of 75%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Tuesday
    Sunny
    71°
    Forecast night icon
    Night
    Clear
    46°
    Tuesday 4/30
    Day
    71°
    Sunny
    Forecast day icon
    Night
    46°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 49F with an average humidity of 60%. Winds will be 8 mph from the NW.
    Night Details
    Clear. Low temperature around 46F. Dew point will be around 43F with an average humidity of 72%. Winds will be 7 mph from the NW.
  • Forecast day icon
    Wednesday
    Sunny
    71°
    Forecast night icon
    Night
    Clear
    47°
    Wednesday 5/1
    Day
    71°
    Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 49F with an average humidity of 57%. Winds will be 7 mph from the NW.
    Night Details
    Clear. Low temperature around 47F. Dew point will be around 44F with an average humidity of 72%. Winds will be 5 mph from the NW.
  • Forecast day icon
    Thursday
    Sunny
    71°
    Forecast night icon
    Night
    Clear
    47°
    Thursday 5/2
    Day
    71°
    Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 51F with an average humidity of 60%. Winds will be 6 mph from the NW.
    Night Details
    Clear. Low temperature around 47F. Dew point will be around 45F with an average humidity of 75%. Winds will be 4 mph from the NW.