National Weather Service Forecast for: Castro Valley, CAIssued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: Thu, 08-May-2025 11:36pm PDT | ||||||||||||||||||||||||||||||||||||||||
| Castro Valley/Hayward | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Clear, with a low around 54. Southeast wind around 3 mph. |
| Friday |
Sunny. High near 83, with temperatures falling to around 81 in the afternoon. West northwest wind 2 to 9 mph. |
| Friday Night |
Mostly clear, with a low around 56. Southwest wind 2 to 7 mph. |
| Saturday |
Sunny, with a high near 79. Southwest wind 2 to 10 mph. |
| Saturday Night |
Mostly clear, with a low around 53. West southwest wind 6 to 10 mph. |
| Sunday |
Sunny, with a high near 68. |
| Sunday Night |
A chance of rain after 5am. Partly cloudy, with a low around 52. Chance of precipitation is 30%. |
| Monday |
A chance of rain before 5pm. Partly sunny, with a high near 64. |
| Monday Night |
Partly cloudy, with a low around 50. |
| Tuesday |
Mostly sunny, with a high near 66. |
| Tuesday Night |
Partly cloudy, with a low around 50. |
| Wednesday |
Mostly sunny, with a high near 71. |
| Wednesday Night |
Mostly clear, with a low around 50. |
| Thursday |
Mostly sunny, with a high near 74. |
Forecast from NOAA-NWS for Castro Valley, CA.
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