| National Weather Service Forecast for:
Clayton CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: 12:26 am PST Feb 2, 2026 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 42. Light south southeast wind. |
| Monday |
Sunny, with a high near 68. Calm wind becoming north northwest around 6 mph in the afternoon. |
| Monday Night |
Partly cloudy, with a low around 40. Calm wind. |
| Tuesday |
Sunny, with a high near 67. East northeast wind 5 to 7 mph. |
| Tuesday Night |
Mostly clear, with a low around 41. Light east northeast wind. |
| Wednesday |
Sunny, with a high near 68. |
| Wednesday Night |
Patchy fog after 5am. Otherwise, mostly clear, with a low around 41. |
| Thursday |
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 67. |
| Thursday Night |
Partly cloudy, with a low around 44. |
| Friday |
Mostly sunny, with a high near 68. |
| Friday Night |
Partly cloudy, with a low around 45. |
| Saturday |
Mostly sunny, with a high near 68. |
| Saturday Night |
Partly cloudy, with a low around 46. |
| Sunday |
A slight chance of rain. Mostly sunny, with a high near 68. |
Forecast from NOAA-NWS for Clayton CA.
