| NWS Forecast for: Arcata/Eureka Airport CA Issued by: National Weather Service Eureka, CA Last Update: 1:17 pm PDT Apr 21, 2026 |  |
| This Afternoon: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 55. North wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tonight: Showers likely and possibly a thunderstorm before 11pm, then scattered showers. Mostly cloudy, with a low around 46. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Wednesday: Scattered showers. Partly sunny, with a high near 56. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible. Wednesday Night: Partly cloudy, with a low around 41. West northwest wind 5 to 8 mph becoming calm in the evening. Thursday: Mostly sunny, with a high near 56. Light and variable wind becoming north northwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Thursday Night: Mostly clear, with a low around 42. North northwest wind 9 to 14 mph becoming light northeast after midnight. Winds could gust as high as 22 mph. Friday: Sunny, with a high near 57. Friday Night: Areas of fog after 2am. Otherwise, partly cloudy, with a low around 44. Saturday: A slight chance of rain. Areas of fog before 11am. Otherwise, mostly sunny, with a high near 58. Saturday Night: A slight chance of rain. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 45. Sunday: A slight chance of rain. Areas of fog. Otherwise, mostly sunny, with a high near 57. Sunday Night: A slight chance of rain. Partly cloudy, with a low around 44. Monday: A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 58. | |
| Arcata/Eureka Airport CA 40.97°N 124.1°W (Elev. 197 ft) | |
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