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Casterlin School Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY |
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| Mostly Sunny | Partly Cloudy | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny |
| Hi: 82°FHi: 28°C | Lo: 52°FLo: 11°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 86°FHi: 30°C | Hi: 86°FHi: 30°C Lo: 57°FLo: 14°C | Hi: 86°FHi: 30°C Lo: 57°FLo: 14°C | Lo: 54°FLo: 12°C | Hi: 85°FHi: 29°C Lo: 54°FLo: 12°C | Hi: 85°FHi: 29°C Lo: 54°FLo: 12°C | Lo: 52°FLo: 11°C | Hi: 84°FHi: 29°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 AM PDT Sat Aug 22 2026 
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Casterlin School Forecast Discussion
Issued: 1209 AM PDT Sat Aug 22 2026
Key Messages
- Generally mild, seasonable weather is expected for the next week.
Discussion
...The upper low that brought a deep marine layer and upper-level moisture (and the associated high clouds) moves out of the area today and high pressure starts to build in behind it. Marine influence is expected to keep temperatures in the interior moderated with most areas in the 80s to low 90s. 60s and 70s are likely closer to the coast. Stratus along the immediate coast is likely to at least partially clea...