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      Elev 433 ft, 37.714 °N 122.061 °W

      Castro Valley, CA

      Sun, Nov 8, 2026
      Today
      Mon 11/09
      High 71°f
      15% Precip. / 0 in
      Mainly cloudy. A few peeks of sunshine possible. High 71F. Winds W at 5 to 10 mph.
      Tonight
      Mon 11/09
      Low 51°f
      20% Precip. / 0 in
      Some clouds. Low 51F. Winds light and variable.
      Sunrise 6:41 AM
      Sunset 5:02 PM
      Moonrise 6:15 AM
      Moonset 4:25 PM
      New, 0% visible
      Hourly Forecast
      Now
      55°
      9AM
      57°
      10AM
      60°
      11AM
      63°
      12PM
      65°
      1PM
      68°
      2PM
      69°
      3PM
      70°
      4PM
      69°
      5PM
      65°
      5:02PM
      Sunset
      6PM
      62°
      7PM
      60°
      8PM
      58°
      9PM
      57°
      10PM
      55°
      11PM
      54°
      12AM
      53°
      1AM
      53°
      2AM
      52°
      3AM
      52°
      4AM
      52°
      5AM
      52°
      6AM
      52°
      6:42AM
      Sunrise
      7AM
      52°
      8AM
      55°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      9:00 am
      Mostly Cloudy
      57°F 57°F 15% 0in 78% 53°F 85% 3 mph SSW 30.16in
      10:00 am
      Partly Cloudy
      60°F 60°F 2% 0in 59% 53°F 78% 3 mph WNW 30.16in
      11:00 am
      Partly Cloudy
      63°F 63°F 1% 0in 57% 53°F 71% 4 mph W 30.14in
      12:00 pm
      Mostly Cloudy
      65°F 65°F 1% 0in 65% 53°F 64% 5 mph W 30.12in
      1:00 pm
      Mostly Cloudy
      68°F 68°F 0% 0in 66% 53°F 59% 6 mph W 30.1in
      2:00 pm
      Mostly Cloudy
      69°F 69°F 0% 0in 69% 53°F 56% 6 mph WNW 30.08in
      3:00 pm
      Mostly Cloudy
      70°F 70°F 0% 0in 68% 52°F 52% 7 mph WNW 30.06in
      4:00 pm
      Mostly Cloudy
      69°F 69°F 0% 0in 62% 52°F 54% 7 mph WNW 30.06in
      5:00 pm
      Mostly Cloudy
      65°F 65°F 2% 0in 66% 53°F 64% 7 mph WNW 30.06in
      6:00 pm
      Mostly Cloudy
      62°F 62°F 5% 0in 63% 53°F 73% 4 mph NW 30.07in
      7:00 pm
      Mostly Cloudy
      60°F 60°F 6% 0in 61% 53°F 78% 2 mph NW 30.07in
      8:00 pm
      Partly Cloudy
      58°F 58°F 7% 0in 46% 52°F 80% 2 mph NW 30.08in
      9:00 pm
      Partly Cloudy
      57°F 57°F 7% 0in 51% 51°F 82% 3 mph NE 30.09in
      10:00 pm
      Partly Cloudy
      55°F 55°F 7% 0in 57% 50°F 83% 3 mph E 30.09in
      11:00 pm
      Partly Cloudy
      54°F 54°F 8% 0in 46% 50°F 86% 3 mph ENE 30.09in
      Additional Conditions
      1. Pressure 30.16 in
      2. Visibility 7 miles
      3. Clouds Cloudy
      4. Dew Point52°F
      5. Humidity 87%
      6. Rainfall 0 in
      7. Snow Depth 0 in
      KHWD Station History
      Almanac for November 8, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 71°F 67°F 82°F 1955
      4. Low 51°F 49°F 35°F 1947
      5. Rain/Snow Depth
      6. Precipitation 0 in 4.7 in -
      7. Snow 0 in 0.1 in -
      Almanac for November 9, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 72°F 67°F 82°F
      4. Low 51°F 49°F 34°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:41 AM 5:02 PM
      3. Civil Twilight 6:13 AM 5:30 PM
      4. Nautical Twilight 5:42 AM 6:01PM
      5. Astronomical Twilight 5:11 AM 6:32 PM
      1. Length of Visible Light 11h 16m
      2. Length of Day 10h 21m
      3. Tomorrow will be 1 minute 58 seconds shorter
      1. Moon 6:15 AM 4:25 PM
      2. New0% 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