| NWS Forecast for: Eureka CA Issued by: National Weather Service Eureka, CA Last Update: 10:05 am PDT Sep 16, 2026 | |
| This Afternoon: Mostly sunny, with a high near 18. Northwest wind around 10 km/h. Tonight: Partly cloudy, with a low around 12. West northwest wind 5 to 8 km/h becoming southeast after midnight. Thursday: Partly sunny, with a high near 19. Light and variable wind becoming west southwest 8 to 13 km/h in the afternoon. Thursday Night: Mostly cloudy, with a low around 12. Calm wind. Friday: Partly sunny, with a high near 18. Northeast wind 5 to 13 km/h becoming north northwest in the morning. Friday Night: Mostly cloudy, with a low around 11. North wind 8 to 13 km/h becoming light north northeast after midnight. Saturday: Mostly cloudy, with a high near 18. Saturday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 12. Sunday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 16. Sunday Night: Mostly cloudy, with a low around 12. Monday: Partly sunny, with a high near 17. Monday Night: Partly cloudy, with a low around 12. Tuesday: Mostly sunny, with a high near 17. | |
| Eureka CA 40.8°N 124.17°W (Elev. 3 m) | |
Visit your local NWS office at: https://www.weather.gov/eka |



