| National Weather Service Forecast for:
San Martin CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: 11:26 am PDT May 4, 2026 | ||||||||||||||||||
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| Today |
Mostly sunny, with a high near 67. West southwest wind 5 to 10 mph, with gusts as high as 18 mph. |
| Tonight |
A 30 percent chance of rain, mainly after 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 48. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph. |
| Tuesday |
Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 67. Calm wind becoming west 5 to 9 mph in the afternoon. |
| Tuesday Night |
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph. |
| Wednesday |
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming west southwest 5 to 7 mph in the afternoon. |
| Wednesday Night |
Patchy fog after 2am. Otherwise, mostly clear, with a low around 50. |
| Thursday |
Areas of fog before 9am. Otherwise, sunny, with a high near 81. |
| Thursday Night |
Patchy fog after 5am. Otherwise, mostly clear, with a low around 48. |
| Friday |
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. |
| Friday Night |
Patchy fog after 4am. Otherwise, clear, with a low around 49. |
| Saturday |
Sunny, with a high near 87. |
| Saturday Night |
Clear, with a low around 54. |
| Sunday |
Sunny, with a high near 92. |
Forecast from NOAA-NWS for San Martin CA.