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Eureka Muni Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | MONDAY NIGHT |
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| Chance of Rain | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Rain | Chance of Rain | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Partly Cloudy |
| Lo: 56°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 57°FLo: 14°C | Hi: 64°FHi: 18°C | Lo: 53°FLo: 12°C | Hi: 66°FHi: 19°C | Hi: 66°FHi: 19°C Lo: 51°FLo: 11°C | Hi: 66°FHi: 19°C Lo: 51°FLo: 11°C | Hi: 67°FHi: 19°C Lo: 52°FLo: 11°C | Hi: 67°FHi: 19°C Lo: 52°FLo: 11°C | Hi: 67°FHi: 19°C Lo: 52°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 55°FLo: 13°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 PM PDT Tue Sep 01 2026 
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Issued: 1226 AM PDT Tue Sep 1 2026
Key Messages
- Much cooler temperatures expected with inland highs in the upper 60s to middle 70s through the week.
- There is a slight chance of thunderstorms, mainly in Trinity County, this afternoon and evening.
- An early season storm is likely to bring widespread rain to the area Wednesday and Thursday.
Discussion
...An upper level low continues to approach the area deepening the marine layer and keeping interior temperatures cooler. The cooler air aloft has allowed the marine inversion to weaken. T...