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      Elev 690 ft, 37.387 °N 122.199 °W

      Portola Valley, CA

      Wed, Nov 11, 2026
      Wednesday
      Thu 11/12
      High 67°f
      30% Precip. / 0.04 in
      Partly cloudy early followed by mostly cloudy skies and a few showers later in the day. High 67F. Winds SW at 5 to 10 mph. Chance of rain 30%.
      Wednesday night
      Thu 11/12
      Low 52°f
      36% Precip. / 0.16 in
      Cloudy with occasional showers. Low 52F. Winds S at 5 to 10 mph. Chance of rain 40%.
      Sunrise 6:44 AM
      Sunset 5:01 PM
      Moonrise 9:18 AM
      Moonset 6:28 PM
      Waxing Crescent, 5% visible
      Hourly Forecast
      12AM
      56°
      1AM
      55°
      2AM
      55°
      3AM
      55°
      4AM
      54°
      5AM
      54°
      6AM
      54°
      6:44AM
      Sunrise
      7AM
      55°
      8AM
      58°
      9AM
      61°
      10AM
      63°
      11AM
      64°
      12PM
      65°
      1PM
      66°
      2PM
      66°
      3PM
      66°
      4PM
      30%
      65°
      5PM
      30%
      63°
      5:01PM
      Sunset
      6PM
      31%
      61°
      7PM
      31%
      60°
      8PM
      32%
      58°
      9PM
      32%
      58°
      10PM
      57°
      11PM
      56°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Partly Cloudy
      56°F 56°F 24% 0in 45% 53°F 89% 3 mph SSE 30.1in
      1:00 am
      Partly Cloudy
      55°F 55°F 24% 0in 47% 53°F 91% 4 mph S 30.09in
      2:00 am
      Partly Cloudy
      55°F 54°F 24% 0in 49% 53°F 93% 4 mph SSE 30.09in
      3:00 am
      Partly Cloudy
      55°F 54°F 24% 0in 50% 53°F 94% 4 mph SSE 30.08in
      4:00 am
      Partly Cloudy
      54°F 54°F 24% 0in 52% 53°F 95% 4 mph SSE 30.07in
      5:00 am
      Partly Cloudy
      54°F 54°F 24% 0in 55% 53°F 95% 4 mph SSE 30.07in
      6:00 am
      Partly Cloudy
      54°F 53°F 24% 0in 57% 53°F 95% 5 mph S 30.07in
      7:00 am
      Partly Cloudy
      55°F 54°F 24% 0in 59% 53°F 93% 5 mph S 30.07in
      8:00 am
      Mostly Cloudy
      58°F 57°F 24% 0in 60% 55°F 89% 6 mph S 30.07in
      9:00 am
      Partly Cloudy
      61°F 60°F 24% 0in 58% 55°F 81% 7 mph S 30.08in
      10:00 am
      Partly Cloudy
      63°F 62°F 24% 0in 57% 55°F 75% 8 mph SSW 30.07in
      11:00 am
      Partly Cloudy
      64°F 64°F 24% 0in 55% 54°F 69% 8 mph SSW 30.07in
      12:00 pm
      Partly Cloudy
      65°F 65°F 24% 0in 53% 53°F 65% 9 mph SW 30.05in
      1:00 pm
      Partly Cloudy
      66°F 66°F 24% 0in 51% 53°F 63% 10 mph WSW 30.04in
      2:00 pm
      Partly Cloudy
      66°F 66°F 24% 0in 50% 53°F 63% 10 mph WSW 30.03in
      3:00 pm
      Partly Cloudy
      66°F 66°F 24% 0in 50% 53°F 63% 10 mph WSW 30.02in
      4:00 pm
      Few Showers
      65°F 65°F 30% 0.01in 49% 53°F 65% 10 mph WSW 30.01in
      5:00 pm
      Few Showers
      63°F 63°F 30% 0.01in 55% 53°F 68% 10 mph WSW 29.98in
      6:00 pm
      Few Showers
      61°F 60°F 31% 0.01in 55% 53°F 74% 8 mph SW 29.99in
      7:00 pm
      Few Showers
      60°F 59°F 31% 0.01in 55% 52°F 76% 7 mph SSW 29.99in
      8:00 pm
      Few Showers
      58°F 57°F 32% 0.01in 55% 52°F 79% 7 mph SSW 30in
      9:00 pm
      Few Showers
      58°F 57°F 32% 0.01in 55% 51°F 79% 6 mph S 30in
      10:00 pm
      Partly Cloudy
      57°F 56°F 24% 0in 56% 51°F 80% 7 mph S 29.99in
      11:00 pm
      Partly Cloudy
      56°F 54°F 24% 0in 56% 50°F 82% 7 mph S 29.99in
      Additional Conditions
      1. Pressure 30.16 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point46°F
      5. Humidity 56%
      6. Rainfall 0 in
      7. Snow Depth 0 in
      KPAO Station History
      Almanac for November 2, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 67°F 74°F 90°F 1997
      4. Low 44°F 43°F 33°F 2003
      5. Rain/Snow Depth
      6. Precipitation 0 in - in -
      7. Snow 0 in - in -
      Almanac for November 3, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 64°F 73°F 87°F
      4. Low 50°F 43°F 32°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:34 AM 5:09 PM
      3. Civil Twilight 6:07 AM 5:36 PM
      4. Nautical Twilight 5:36 AM 6:07PM
      5. Astronomical Twilight 5:06 AM 6:37 PM
      1. Length of Visible Light 11h 28m
      2. Length of Day 10h 34m
      3. Tomorrow will be 2 minutes 4 seconds shorter
      1. Moon - 1:48 PM
      2. Waning Crescent44% of the Moon is Illuminated
      Nov 8
      New Moon
      Nov 17
      Waxing Half First Qtr
      Nov 24
      Full Moon
      Nov 30
      Waning Half Last Qtr
      Nearby Weather Stations
      Station Location
      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
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      Level Access
      Glossary