Eureka, CA Weather Forecast

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Eureka, CA Weather Forecast

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Eureka CA weather  - Clear - 52°F
Clear
52°F
Updated 8:44 am
Feels Like 53°F
Humidity 96%
Wind E 3 mph
Barometer  29.99 in
Dew Point 51°F
Eureka CA weather  - Clear - 11°C
Clear
11°C
Updated 8:44 am
Feels Like 11°C
Humidity 96%
Wind E 5 km/h
Barometer  101.5 kPa
Dew Point 11°C

Eureka Weather Forecast

TODAY TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY
Eureka, CA Weather - Today Mostly Cloudy Eureka, CA Weather - Tonight Partly Cloudy Eureka, CA Weather - Wednesday Mostly Sunny Eureka, CA Weather - Wednesday Night Partly Cloudy Eureka, CA Weather - Thursday Mostly Cloudy Eureka, CA Weather - Thursday Night Mostly Cloudy Eureka, CA Weather - Friday Patchy Fog Eureka, CA Weather - Friday Night Patchy Fog Eureka, CA Weather - Saturday Patchy Fog Eureka, CA Weather - Saturday Night Partly Cloudy Eureka, CA Weather - Sunday Partly Cloudy Eureka, CA Weather - Monday Partly Cloudy
Mostly Cloudy Partly Cloudy Mostly Sunny Partly Cloudy Mostly Cloudy Mostly Cloudy Patchy Fog Patchy Fog Patchy Fog Partly Cloudy Partly Cloudy Partly Cloudy
Hi: 75°FHi: 24°C
Lo: 57°FLo: 14°C Hi: 80°FHi: 27°C
Lo: 58°FLo: 14°C Hi: 75°FHi: 24°C
Lo: 56°FLo: 13°C Hi: 69°FHi: 21°C
Hi: 67°FHi: 19°C
Lo: 53°FLo: 12°C
Hi: 67°FHi: 19°C
Lo: 53°FLo: 12°C
Hi: 67°FHi: 19°C
Lo: 52°FLo: 11°C
Hi: 67°FHi: 19°C
Lo: 52°FLo: 11°C
Hi: 67°FHi: 19°C
Lo: 52°FLo: 11°C
POP = Probability of Precipitation.
Weather Outlook Updated: 446 AM PDT Tue Sep 08 2026 Eureka, CA Weather - WeatherWorld.com

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Eureka Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 448 AM PDT Tue Sep 8 2026

Key Messages

  • Above normal temperatures likely Tuesday through Thursday, including along the coast.
  • Locally elevated fire danger for the higher elevations Tuesday and Wednesday.

Discussion

...Light offshore flow is mostly keeping coastal stratus from reforming, and what does form around Humboldt Bay will quickly erode into Tuesday morning.

Building high pressure Tuesday through Thursday will bring much warmer than normal temperatures, both to the interior and the coast. On Tuesday, temperatures are f...