Weather WorldSan Gregorio, CA Weather Forecast
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San Gregorio Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY | TUESDAY |
 |  |  |  |  |  |  | | | |
| Drizzle | Patchy Fog | Chance of Rain | Chance of Rain | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 66°FHi: 19°C Lo: 55°FLo: 13°C | Hi: 66°FHi: 19°C Lo: 55°FLo: 13°C | Hi: 66°FHi: 19°C Lo: 55°FLo: 13°C | Hi: 66°FHi: 19°C Lo: 55°FLo: 13°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 602 AM PDT Wed Sep 02 2026 
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Issued: 501 AM PDT Wed Sep 2 2026
Key Messages
Updated at 1015 PM PDT Tue Sep 1 2026- Cooler weather continues this week
- Rain likely Wednesday and Thursday morning for the North Bay
Aviation
... (12Z TAFS) Issued at 427 AM PDT Wed Sep 2 2026
Low level clouds remain patchy this morning with high level clouds filtering in across the region. The main short term adjustment in the 12Z TAFs was to remove MVFR ceilings from most airports. Confidence that low level clouds will develop is decreasing given the incoming showers and high clouds ...