National Weather Service Forecast for: Castro Valley, CAIssued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: Sun, 29-Jun-2025 1:26am PDT | ||||||||||||||||||||||||||||||||||||||||
| Castro Valley/Hayward | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Partly cloudy, with a low around 57. Northwest wind around 3 mph. |
| Sunday |
Sunny. High near 82, with temperatures falling to around 78 in the afternoon. West northwest wind 2 to 10 mph. |
| Sunday Night |
Partly cloudy, with a low around 56. West northwest wind 3 to 9 mph. |
| Monday |
Mostly sunny, with a high near 79. West wind 3 to 10 mph. |
| Monday Night |
Partly cloudy, with a low around 56. West wind 3 to 10 mph. |
| Tuesday |
Mostly sunny, with a high near 79. |
| Tuesday Night |
Partly cloudy, with a low around 56. |
| Wednesday |
Mostly sunny, with a high near 77. |
| Wednesday Night |
Partly cloudy, with a low around 56. |
| Thursday |
Sunny, with a high near 74. |
| Thursday Night |
Partly cloudy, with a low around 54. |
| Independence Day |
Mostly sunny, with a high near 69. |
| Friday Night |
Partly cloudy, with a low around 54. |
| Saturday |
Mostly sunny, with a high near 73. |
Forecast from NOAA-NWS for Castro Valley, CA.
Alerts
