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Humboldt County Fairgrounds Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY |
 | | | | | | | | | | |
| Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog |
| Lo: 53°FLo: 12°C | Hi: 70°FHi: 21°C | Lo: 54°FLo: 12°C | Hi: 70°FHi: 21°C | Hi: 70°FHi: 21°C Lo: 53°FLo: 12°C | Hi: 70°FHi: 21°C Lo: 53°FLo: 12°C | Hi: 68°FHi: 20°C Lo: 53°FLo: 12°C | Hi: 68°FHi: 20°C Lo: 53°FLo: 12°C | Hi: 68°FHi: 20°C Lo: 53°FLo: 12°C | Hi: 68°FHi: 20°C Lo: 53°FLo: 12°C | Hi: 68°FHi: 20°C Lo: 53°FLo: 12°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 242 PM PDT Sat Aug 15 2026 
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Humboldt County Fairgrounds Forecast Discussion
Issued: 240 PM PDT Sat Aug 15 2026
Key Messages
- Smoke spreading overnight from local and distant wildfires, pushing eastward during the diurnal swing as winds pick up out of the north.
- Cooler temperatures as upper wave troughing pattern stalls over the area.
Discussion
...Troughing continues over the area through the weekend and into early next week. This has supported a much deeper marine layer with stratus reaching far inland, along with moderated interior temperatures. Near to below normal temperatur...