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Larson Park Arcata Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY | THURSDAY |
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| Patchy Fog | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 72°FHi: 22°C | Lo: 56°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 58°FLo: 14°C | Hi: 77°FHi: 25°C Lo: 56°FLo: 13°C | Hi: 77°FHi: 25°C Lo: 56°FLo: 13°C | Hi: 77°FHi: 25°C Lo: 56°FLo: 13°C | Hi: 77°FHi: 25°C Lo: 56°FLo: 13°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 AM PDT Fri Oct 02 2026 
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Issued: 1202 AM PDT Fri Oct 2 2026
Key Messages
- Unseasonably hot temperatures will build through the end of the week, peaking around Saturday. Such temperatures will generate Moderate HeatRisk across the interior.
- Shallow, diurnal marine layer persisting along the coast through the weekend.
- Nearly 0% chance of wetting rain for the next 10 days.
Discussion
...Unusually strong high pressure started to build into the area Thursday. Interior highs already jumped into the mid and upper 90s. In the coming days, hot and dry conditions with...