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Southern Trinity High School Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  | |  |  | | | | | | | |
| Clearing | Partly Cloudy | Clearing | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Clear | Mostly Clear | Clear | Clear | Mostly Clear | Mostly Clear |
| Hi: 91°FHi: 33°C | Lo: 61°FLo: 16°C | Hi: 92°FHi: 33°C | Lo: 60°FLo: 16°C | Hi: 90°FHi: 32°C | Lo: 57°FLo: 14°C | Hi: 83°FHi: 28°C Lo: 54°FLo: 12°C | Hi: 83°FHi: 28°C Lo: 54°FLo: 12°C | Hi: 88°FHi: 31°C Lo: 53°FLo: 12°C | Hi: 88°FHi: 31°C Lo: 53°FLo: 12°C | Hi: 88°FHi: 31°C Lo: 55°FLo: 13°C | Hi: 88°FHi: 31°C Lo: 55°FLo: 13°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 AM PDT Tue Aug 18 2026 
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Southern Trinity High School Forecast Discussion
Issued: 1200 AM PDT Tue Aug 18 2026
Key Messages
- Smoke remains over areas outside of the marine layer due to local and distant wildfires.
- Interior temperatures are expected to remain near normal through the first half of the week with highs in the low to mid 90s.
- Another trough is expected to bring below normal temperatures and the potential for a few thunderstorms late in the week.
Discussion
...Tuesday the ridge is expected to build slightly over the area. The marine clouds are expected to push back to...