National Weather Service Forecast for: Castro Valley, CAIssued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: Sat, 21-Jun-2025 11:52am PDT | ||||||||||||||||||||||||||||||||||||||||
| Castro Valley/Hayward | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 72. West wind 12 to 15 mph, with gusts as high as 20 mph. |
| Tonight |
Mostly clear, with a low around 52. Southwest wind 2 to 13 mph, with gusts as high as 21 mph. |
| Sunday |
Sunny. High near 72, with temperatures falling to around 69 in the afternoon. Southwest wind 2 to 13 mph. |
| Sunday Night |
Mostly clear, with a low around 53. Southwest wind 1 to 10 mph. |
| Monday |
Mostly sunny, with a high near 76. West wind 1 to 9 mph. |
| Monday Night |
Partly cloudy, with a low around 54. |
| Tuesday |
Mostly sunny, with a high near 73. |
| Tuesday Night |
Partly cloudy, with a low around 54. |
| Wednesday |
Mostly sunny, with a high near 76. |
| Wednesday Night |
Mostly clear, with a low around 55. |
| Thursday |
Sunny, with a high near 74. |
| Thursday Night |
Partly cloudy, with a low around 55. |
| Friday |
Sunny, with a high near 77. |
| Friday Night |
Mostly clear, with a low around 54. |
Forecast from NOAA-NWS for Castro Valley, CA.
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