Eureka, Calif. – Coastal residents in Humboldt County will see a stretch of mild afternoons paired with foggy mornings and nights through midweek, with temperatures hovering in the mid-60s. Drivers should expect limited visibility during early commutes as patchy fog develops late Tuesday into Wednesday.
According to the National Weather Service in Eureka, skies will remain partly to mostly cloudy through Labor Day before clearing slightly on Tuesday. Patchy fog is expected each night through at least Thursday morning, with lows dipping into the lower-50s. Calm winds will dominate, shifting north at 5 to 9 mph during the day before easing again overnight.
Morning travel could be slowed on U.S. Highway 101 and local roads from Arcata to Fortuna as fog thickens overnight into early hours. Pedestrians and cyclists should use extra caution, especially near the coast and low-lying areas.
While no major storms or temperature swings are expected, residents are advised to keep headlights on during foggy commutes and allow extra travel time.
Conditions should gradually improve by late week, though patchy fog remains likely in coastal valleys. Updates will continue from the Eureka weather office.
Five Day Forecast for Eureka, CA
- Sunday: High 65°F, partly sunny. Low 52°F, mostly cloudy.
- Labor Day (Monday): High 65°F, decreasing clouds. Low 53°F, mostly cloudy.
- Tuesday: High 64°F, partly sunny. Low 54°F, mostly cloudy with patchy fog.
- Wednesday: High 64°F, patchy fog then mostly cloudy. Low 55°F, patchy fog.
- Thursday: High 65°F, patchy fog then mostly sunny. Low 55°F, mostly cloudy with fog.
