Eureka, California – Morning fog and mild sunshine will be the pattern across Humboldt County through early next week, as cooler marine air settles in along the Northern California coast.
According to the National Weather Service in Eureka, patchy fog is expected each night and early morning through at least Monday, with daytime highs reaching the upper 60s to near 70 degrees. Winds will remain light and generally out of the northwest at 5 to 11 mph.
Visibility may briefly dip below 7 miles during early morning hours, especially in low-lying areas near Arcata, McKinleyville, and U.S. Highway 101. Drivers are advised to use low beams and allow extra time for their morning commute.
Afternoons will trend mostly sunny, providing ideal conditions for outdoor plans or travel across the region. No major weather hazards are expected, but coastal residents should remain alert for rapidly changing visibility near the shoreline and valley pockets.
This stable pattern is forecast to hold through at least Tuesday morning, with only minor temperature fluctuations and no precipitation expected.
Five Day Forecast for Eureka, California:
- Thursday: High 65°F – Decreasing clouds, light NW winds
- Friday: High 68°F – Fog early, then sunny, calm by afternoon
- Saturday: High 70°F – Mostly sunny, light NW winds
- Sunday: High 68°F – Partly sunny with some overnight cloud cover
- Monday: High 67°F – Fog early, then mostly sunny and dry


