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      Coastal Flood Advisory
      until 4:00 PM PST
      Elev undefined ft, undefined °undefined undefined °undefined

      Castro Valley, CA

      Station58°
      Wed, Nov 11, 2026
      Wednesday
      Thu 11/12
      High 75°f
      6% Precip. / 0 in
      Mainly sunny. High near 75F. Winds NW at 5 to 10 mph.
      Wednesday night
      Thu 11/12
      Low 49°f
      5% Precip. / 0 in
      Clear skies with a few passing clouds. Low 49F. Winds light and variable.
      Sunrise 6:44 AM
      Sunset 4:59 PM
      Moonrise 9:19 AM
      Moonset 6:26 PM
      Waxing Crescent, 5% visible
      Hourly Forecast
      12AM
      54°
      1AM
      53°
      2AM
      53°
      3AM
      52°
      4AM
      52°
      5AM
      51°
      6AM
      50°
      6:44AM
      Sunrise
      7AM
      50°
      8AM
      55°
      9AM
      59°
      10AM
      64°
      11AM
      67°
      12PM
      70°
      1PM
      72°
      2PM
      73°
      3PM
      73°
      4PM
      72°
      4:59PM
      Sunset
      5PM
      69°
      6PM
      65°
      7PM
      62°
      8PM
      60°
      9PM
      58°
      10PM
      56°
      11PM
      55°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Partly Cloudy
      		 54°F 54°F 8% 0in 30% 50°F 87% 3 mph E 30.14in
      1:00 am
      Partly Cloudy
      		 53°F 53°F 20% 0in 46% 49°F 86% 4 mph ENE 30.14in
      2:00 am
      Partly Cloudy
      		 53°F 52°F 20% 0in 47% 49°F 86% 4 mph ENE 30.13in
      3:00 am
      Partly Cloudy
      		 52°F 52°F 20% 0in 45% 48°F 87% 3 mph ENE 30.11in
      4:00 am
      Mostly Clear
      		 52°F 51°F 7% 0in 29% 48°F 87% 3 mph ENE 30.11in
      5:00 am
      Partly Cloudy
      		 51°F 50°F 7% 0in 31% 48°F 89% 4 mph ENE 30.1in
      6:00 am
      Mostly Clear
      		 50°F 49°F 7% 0in 22% 47°F 92% 3 mph ENE 30.1in
      7:00 am
      Sunny
      		 50°F 50°F 6% 0in 16% 48°F 90% 3 mph ENE 30.1in
      8:00 am
      Sunny
      		 55°F 54°F 5% 0in 11% 49°F 81% 4 mph ENE 30.1in
      9:00 am
      Sunny
      		 59°F 59°F 2% 0in 6% 50°F 73% 4 mph E 30.1in
      10:00 am
      Sunny
      		 64°F 64°F 1% 0in 4% 51°F 63% 4 mph N 30.1in
      11:00 am
      Sunny
      		 67°F 67°F 0% 0in 4% 51°F 57% 5 mph WNW 30.09in
      12:00 pm
      Sunny
      		 70°F 70°F 0% 0in 4% 50°F 50% 6 mph WNW 30.06in
      1:00 pm
      Sunny
      		 72°F 72°F 0% 0in 4% 50°F 47% 6 mph WNW 30.04in
      2:00 pm
      Sunny
      		 73°F 73°F 0% 0in 4% 50°F 44% 6 mph WNW 30.02in
      3:00 pm
      Sunny
      		 73°F 73°F 0% 0in 4% 50°F 43% 6 mph NW 30.01in
      4:00 pm
      Sunny
      		 72°F 72°F 0% 0in 4% 51°F 47% 6 mph WNW 30in
      5:00 pm
      Clear
      		 69°F 69°F 0% 0in 5% 51°F 54% 5 mph NW 30in
      6:00 pm
      Clear
      		 65°F 65°F 1% 0in 5% 51°F 62% 3 mph NNW 30in
      7:00 pm
      Clear
      		 62°F 62°F 2% 0in 6% 52°F 69% 2 mph N 30in
      8:00 pm
      Clear
      		 60°F 60°F 3% 0in 9% 51°F 74% 2 mph NE 30in
      9:00 pm
      Clear
      		 58°F 58°F 3% 0in 17% 51°F 78% 3 mph ENE 30in
      10:00 pm
      Mostly Clear
      		 56°F 56°F 4% 0in 20% 50°F 80% 3 mph E 29.99in
      11:00 pm
      Partly Cloudy
      		 55°F 55°F 4% 0in 35% 49°F 82% 3 mph ENE 29.99in
      Additional Conditions
      1. Pressure 30.16 in
      2. Visibility 9 miles
      3. Clouds Cloudy
      4. Dew Point53°F
      5. Humidity 85%
      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 72°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 57 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
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