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Ralph Harmon School Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT |
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| Mostly Clear | Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy |
| Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Lo: 60°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 60°FLo: 16°C | Hi: 87°FHi: 31°C | Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 90°FHi: 32°C | Lo: 59°FLo: 15°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 902 PM PDT Fri Aug 21 2026 
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Issued: 1201 AM PDT Sat Aug 22 2026
Key Messages
Updated at 1200 AM PDT Sat Aug 22 2026- Temperatures near to slightly below seasonal averages continue through the next week
- Warm and dry conditions persist above 1000 feet
Aviation
... (06Z TAFS) Issued at 938 PM PDT Fri Aug 21 2026
VFR prevails except for patchy coastal stratus and fog /IFR/ along San Mateo County and Monterey County. Mid and high clouds, including wildfire smoke over the north Central Coast, are moving northeastward over the forecast area. An area of cooler near surfa...