Eureka, California – Patchy coastal fog will return to Humboldt Bay by early Wednesday morning, creating reduced visibility along U.S. Highway 101 and State Route 255. The fog is expected to last until 10 a.m. Wednesday, with a similar situation on Friday morning. Afterward, skies will gradually clear, leading to mild summer afternoons.
According to the National Weather Service in Eureka, the cloud cover will gradually decrease throughout Wednesday, with sunshine breaking through by the afternoon. Daytime highs are expected to reach around 63°F, with light west winds of 5 to 7 mph.
Areas Affected and Travel Safety
Fog could significantly reduce visibility, especially between 2 a.m. and 10 a.m. on both Wednesday and Friday. Drivers are advised to allow extra travel time during morning commutes and use low-beam headlights for safety. Conditions will remain mostly cloudy at night, with overnight lows around the low 50s.
Upcoming Weather Outlook
The weather for Thursday and Friday will also feature patchy morning fog, followed by mostly cloudy skies. Daytime highs will remain in the low 60s with light winds, and no rain is expected through the weekend.
Five-Day Forecast for Eureka, CA (Wednesday, July 16 – Monday, July 21)
Wednesday: Cloudy early, then mostly sunny. High: 63°F / Low: 53°F. Light winds.
Thursday: Patchy morning fog, then mostly cloudy. High: 62°F / Low: 54°F.
Friday: Morning fog, mostly cloudy. High: 62°F / Low: 53°F.
Saturday: Mostly cloudy. High: 62°F / Low: 53°F.
Sunday: Mostly cloudy. High: 62°F / Low: 53°F.
Monday: Continued cloud cover. High: 62°F.
