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City of Eureka, CAEureka, CA 7-Day Night Weather Forecast
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Eureka, CA Weather Forecast
Eureka, CA Weather Forecast Date: 137 PM PDT Thu Oct 29 2026
The area/counties/county of: Northern Coastal Humboldt, including the cities of: Eureka, Samoa, Arcata, Arcata Arpt, Fieldbrook, Fernbridge, and Fortuna.or toggle through each period.
Tonight... Mostly cloudy then becoming partly cloudy overnight then becoming mostly cloudy. Patchy fog overnight. Lows 35 to 45. Northeast wind around 5 mph shifting to the southeast overnight.
Friday... Mostly cloudy. Patchy fog in the morning. Highs 51 to 61. East wind around 5 mph shifting to the northwest in the afternoon.
Friday Night... Mostly cloudy. Patchy fog through the night. Slight chance of rain overnight. Lows 38 to 48. North wind around 5 mph shifting to the east overnight.
Saturday... Cloudy. Patchy fog. Rain likely. Highs 48 to 58. Northeast wind around 5 mph.
Saturday Night... Mostly cloudy. Patchy fog. Chance of rain. Lows 37 to 47. Northeast wind around 5 mph.
Sunday... Mostly sunny. Patchy fog. Highs 51 to 61. North wind around 10 mph.
Sunday Night... Partly cloudy. Lows 36 to 46.
Monday... Mostly cloudy. Highs 56 to 66. Lows 36 to 46.
Tuesday... Mostly cloudy. Highs 56 to 66. Lows 36 to 46.
Wednesday... Mostly cloudy. Slight chance of rain. Highs 57 to 67.
Wednesday Night... Mostly cloudy. Chance of rain. Lows 41 to 51. Highs 54 to 67.
POP = Probability of Precipitation
Eureka Radar Loop
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