EUREKA, Calif. – Commuters in Humboldt County may need extra caution on U.S. 101 early Thursday morning as patchy fog limits visibility and drizzle lingers along the coast. The cool, damp stretch will affect overnight travel and morning school drop-offs, with conditions improving by midday.
According to the National Weather Service in Eureka, a mix of low clouds and fog will hang over the city through Thursday morning before sunshine breaks through. Overnight lows will fall to the low 50s, while daytime highs hold near 64 degrees. Drivers are urged to allow extra travel time, use headlights in fog, and avoid sudden stops on U.S. 101 and State Route 299.
By Thursday afternoon, sunshine returns, with calmer winds and pleasant late-summer conditions. Friday looks brighter with highs near 65, though patchy fog will return overnight. The first half of Labor Day weekend is shaping up mild and mostly sunny, offering good conditions for outdoor plans across Eureka, Arcata, and McKinleyville.
Saturday will warm into the upper 60s with clear skies inland, while the coast stays cooler and fog lingers at night. By Sunday and Labor Day Monday, residents can expect highs in the mid-60s to near 70, ideal for barbecues and beach trips despite occasional fog in the mornings.
The National Weather Service advises residents to prepare for reduced visibility overnight but expect a gradual clearing trend as the holiday weekend approaches. More updates may be issued if coastal fog thickens or travel hazards worsen.
Five-Day Forecast for Eureka, Calif.
- Thursday: Patchy fog early, then mostly sunny. High 64, low 53.
- Friday: Sunny, light winds. High 65, low 53.
- Saturday: Mostly sunny. High 67, low 54.
- Sunday: Partly sunny, mild. High 68, low 54.
- Labor Day Monday: Sunny, warmer. High 68, low 54.
