San Martin, CA Weather Forecast
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San Martin Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
| Chance of Showers | Partly Cloudy | Mostly Clear | Patchy Fog | Mostly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Partly Cloudy |
| Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 602 PM PDT Sat Oct 31 2026 

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Issued: 433 PM PDT Sat Oct 31 2026
Key Messages
Updated at 1129 AM PDT Sat Oct 31 2026- Minor coastal flooding at high tide for Bayshore and Pacific Coast locations through the weekend
- Seasonal to slightly below seasonal temperatures through Thursday
- Potential for light rain Saturday night and again early in the upcoming week
Aviation
... (00Z TAFS) Issued at 432 PM PDT Sat Oct 31 2026
Breezy onshore winds prevail this afternoon with VFR ceilings. Winds ease slightly through the evening ahead of an approaching frontal boundary that wi...
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