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Mark Twain High School, CA Weather Forecast
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Mark Twain High School Weather Forecast
| REST OF TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY |
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| Sunny | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain |
| Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 66°FHi: 19°C | Lo: 59°FLo: 15°C | Hi: 66°FHi: 19°C | Hi: 66°FHi: 19°C Lo: 61°FLo: 16°C | Hi: 66°FHi: 19°C Lo: 61°FLo: 16°C | Hi: 66°FHi: 19°C Lo: 61°FLo: 16°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 304 PM PDT Fri Sep 04 2026 
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Issued: 1124 AM PDT Fri Sep 4 2026
Key Messages
Updated at 1122 AM PDT Fri Sep 4 2026- Hazardous conditions at Pacific Coast beaches Friday through Monday
- Minor coastal flooding during high tide for bayshore locations along the San Pablo Bay Friday afternoon/evening
- Below normal temperatures through the weekend, gradual warming and drying trend kicks off Monday
- Remnant tropical moisture likely Tuesday through Thursday
Aviation
... (18Z TAFS) Issued at 1045 AM PDT Fri Sep 4 2026
VFR is expected to persist through the remainder of today...