San Martin, CA 7-Day Weather Forecast
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San Martin Weather Forecast


San Martin, CA Weather Forecast Date: 302 AM PDT Tue Oct 20 2026
Weather forecast for San Martin, CA
| Tonight Lo: 49°F Lo: 9°C |
Tonight... Mostly cloudy. Patchy fog. Lows in the upper 40s. Southeast winds up to 5 mph. |
| Tue Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Tuesday... Mostly cloudy. Areas of fog in the morning. Highs in the lower 70s. Light winds...Becoming northwest 5 to 10 mph in the afternoon. |
| Wed Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Wednesday... Patchy fog in the morning. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 70s. Light winds. Chance of showers 70%. |
| Thu Hi: 69°FHi: 21°C Lo: 49°F Lo: 9°C |
Thursday... Mostly cloudy. Patchy fog. A chance of showers. Highs in the upper 60s. |
| Fri Hi: 71°FHi: 22°C Lo: 50°F Lo: 10°C |
Friday... Partly cloudy in the morning then becoming sunny. Patchy fog. Highs in the lower 70s. |
| Sat Hi: 75°FHi: 24°C Lo: 50°F Lo: 10°C |
Saturday... Mostly clear. Highs in the mid 70s. Lows around 50. |
| Sun Hi: 75°FHi: 24°C Lo: 49°F Lo: 9°C |
Sunday... Partly cloudy. Highs in the mid 70s. |
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