National Weather Service Forecast for: Castro Valley, CAIssued by: National Weather Service San Francisco Bay Area/Monterey, CA |
||||||||||||||||||||||||||||||||||||||||
Updated: Mon, 30-Jun-2025 2:47pm PDT | ||||||||||||||||||||||||||||||||||||||||
Castro Valley/Hayward | ||||||||||||||||||||||||||||||||||||||||
|
Tonight |
Mostly cloudy, with a low around 56. West northwest wind around 6 mph. |
Tuesday |
Mostly sunny. High near 78, with temperatures falling to around 75 in the afternoon. West wind 3 to 10 mph. |
Tuesday Night |
Partly cloudy, with a low around 57. West wind 5 to 9 mph. |
Wednesday |
Mostly sunny, with a high near 77. West southwest wind 5 to 10 mph. |
Wednesday Night |
Mostly clear, with a low around 56. West southwest wind 6 to 10 mph. |
Thursday |
Mostly sunny, with a high near 73. |
Thursday Night |
Partly cloudy, with a low around 54. |
Independence Day |
Mostly sunny, with a high near 68. |
Friday Night |
Partly cloudy, with a low around 54. |
Saturday |
Mostly sunny, with a high near 73. |
Saturday Night |
Partly cloudy, with a low around 54. |
Sunday |
Mostly sunny, with a high near 74. |
Sunday Night |
Partly cloudy, with a low around 55. |
Monday |
Mostly sunny, with a high near 72. |
Forecast from NOAA-NWS for Castro Valley, CA.