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Fortuna Union High School Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY | SUNDAY |
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| Clearing | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog |
| Hi: 70°FHi: 21°C | Lo: 54°FLo: 12°C | Hi: 69°FHi: 21°C | Lo: 54°FLo: 12°C | Hi: 69°FHi: 21°C | Hi: 69°FHi: 21°C Lo: 54°FLo: 12°C | Hi: 69°FHi: 21°C Lo: 54°FLo: 12°C | Hi: 69°FHi: 21°C Lo: 54°FLo: 12°C | Hi: 69°FHi: 21°C Lo: 54°FLo: 12°C | Hi: 69°FHi: 21°C Lo: 54°FLo: 12°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 AM PDT Mon Aug 17 2026 
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Fortuna Union High School Forecast Discussion
Issued: 1225 AM PDT Mon Aug 17 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 through 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
...A very brief shortwave ridge has built over NW CA. Offshore flow in Del Norte county will likely keep the...