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San Marin Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  | |  |  | | | | | | | |
| Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 58°FLo: 14°C | Hi: 78°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 83°FHi: 28°C | Lo: 63°FLo: 17°C | Hi: 86°FHi: 30°C | Lo: 63°FLo: 17°C | Hi: 86°FHi: 30°C | Lo: 65°FLo: 18°C | Hi: 83°FHi: 28°C | Lo: 64°FLo: 18°C | Hi: 81°FHi: 27°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1053 AM PST Wed Nov 04 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 156 PM PST Wed Nov 4 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
Showers have come to an end this morning with skies quickly clearing. Mid-level water vapor satellite imagery shows the low that passed through California this morning is already over Nevada, with drier air filtering in on the back side of the low. Zonal flow today transitions to weak ridging by Thursday, allowing for one f...