Eureka, California – Residents in Humboldt County can expect patchy morning fog and brisk coastal temps early this week, with a slight chance of rain returning late Wednesday. Drivers near Eureka and Arcata should anticipate reduced visibility during early commutes, especially Tuesday morning.
According to the National Weather Service, light north-northwest winds will keep inland highs mild — topping out near 62°F Monday and warming slightly to 67°F by Wednesday. Morning fog is likely both Monday and Tuesday, clearing by mid-morning. A weak marine layer returns Wednesday night with a 20% chance of rain after 11 p.m., bringing cloud cover and a dip in nighttime temperatures.
Monday: Partly sunny with highs near 62°F. Light north-northwest winds 5–10 mph.
Tuesday: Morning fog, mostly sunny by afternoon. High around 64°F with light breezes.
Wednesday: High near 67°F and calm winds; 20% chance of rain returns after 11 p.m.
Thursday: Mostly cloudy and dry with highs in the mid 60s.
Friday: Similar pattern — mostly cloudy, highs around 66°F.
With overnight lows consistently in the low-to-mid 50s, Humboldt County residents should continue to dress in layers. Morning fog and late-night dampness could linger through early Friday, but no major storms are expected. Another update will follow if the midweek rain chance increases.
