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City of Fortuna, CAFortuna, CA Weather Forecast
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Fortuna Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Sunny | Patchy Fog | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Sunny | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog |
| Hi: 63°FHi: 17°C | Lo: 43°FLo: 6°C | Hi: 64°FHi: 18°C | Lo: 46°FLo: 8°C | Hi: 67°FHi: 19°C | Hi: 76°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 76°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 66°FHi: 19°C Lo: 49°FLo: 9°C | Hi: 66°FHi: 19°C Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 AM PDT Mon Oct 12 2026 
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Issued: 1228 AM PDT Mon Oct 12 2026
Key Messages
- Much more moderate winds Monday with gusts generally below 20 mph even in exposed areas.
- Clear skies and cool air will enable extensive frost and freezing conditions in Trinity and Interior Humboldt Monday morning with some frost again Tuesday.
- More seasonable conditions this week but no wetting rain forecast for the next 10 days.
Discussion
...Strong northeast winds will continue to quickly weaken overnight and into Monday. Clear skies, calmer winds, and interior dewpoints around 30 w...