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      Elev 690 ft, 37.387 °N 122.199 °W

      Portola Valley, CA

      Mon, Nov 2, 2026
      Today
      Tue 11/03
      High 65°f
      4% Precip. / 0 in
      Partly cloudy this morning, then becoming cloudy during the afternoon. High near 65F. Winds light and variable.
      Tonight
      Tue 11/03
      Low 49°f
      24% Precip. / 0 in
      Cloudy skies this evening will become partly cloudy after midnight. Low 49F. Winds light and variable.
      Sunrise 6:34 AM
      Sunset 5:09 PM
      Moonrise -
      Moonset 1:48 PM
      Waning Crescent, 44% visible
      Hourly Forecast
      Now
      62°
      11AM
      63°
      12PM
      64°
      1PM
      65°
      2PM
      65°
      3PM
      64°
      4PM
      63°
      5PM
      61°
      5:09PM
      Sunset
      6PM
      58°
      7PM
      57°
      8PM
      55°
      9PM
      55°
      10PM
      54°
      11PM
      53°
      12AM
      51°
      1AM
      51°
      2AM
      51°
      3AM
      51°
      4AM
      51°
      5AM
      50°
      6AM
      50°
      6:35AM
      Sunrise
      7AM
      50°
      8AM
      50%
      54°
      9AM
      75%
      56°
      10AM
      50%
      58°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      11:00 am
      Partly Cloudy
      63°F 63°F 0% 0in 57% 46°F 53% 3 mph NNE 30.16in
      12:00 pm
      Mostly Cloudy
      64°F 64°F 0% 0in 64% 46°F 51% 4 mph N 30.14in
      1:00 pm
      Cloudy
      65°F 65°F 0% 0in 80% 46°F 51% 4 mph NNE 30.12in
      2:00 pm
      Cloudy
      65°F 65°F 0% 0in 89% 47°F 53% 4 mph N 30.12in
      3:00 pm
      Mostly Cloudy
      64°F 64°F 0% 0in 78% 48°F 57% 4 mph NNW 30.11in
      4:00 pm
      Mostly Cloudy
      63°F 63°F 1% 0in 75% 49°F 59% 5 mph NNW 30.1in
      5:00 pm
      Mostly Cloudy
      61°F 61°F 2% 0in 77% 50°F 65% 4 mph NW 30.11in
      6:00 pm
      Mostly Cloudy
      58°F 58°F 4% 0in 74% 50°F 74% 3 mph WNW 30.11in
      7:00 pm
      Cloudy
      57°F 57°F 5% 0in 85% 50°F 78% 2 mph W 30.12in
      8:00 pm
      Cloudy
      55°F 55°F 6% 0in 93% 50°F 82% 1 mph SSE 30.12in
      9:00 pm
      Cloudy
      55°F 55°F 6% 0in 84% 49°F 81% 2 mph ESE 30.1in
      10:00 pm
      Partly Cloudy
      54°F 54°F 5% 0in 54% 48°F 80% 2 mph SE 30.09in
      11:00 pm
      Partly Cloudy
      53°F 53°F 4% 0in 38% 46°F 78% 2 mph SSE 30.08in
      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 65°F 74°F 90°F 1997
      4. Low 45°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 63°F 73°F 87°F
      4. Low 49°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