Eureka, CA Weather Forecast

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Eureka, CA Weather Forecast

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Eureka CA weather  - Clear - 39°F
Clear
39°F
Updated 5:03 am
Feels Like 43°F
Humidity 95%
Wind N 0 mph
Barometer  29.9 in
Dew Point 38°F
Eureka CA weather  - Clear - 4°C
Clear
4°C
Updated 5:03 am
Feels Like 6°C
Humidity 95%
Wind N 0 km/h
Barometer  101.2 kPa
Dew Point 3°C

Eureka Weather Forecast

TODAY TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT
Eureka, CA Weather - Today Chance Of Rain Eureka, CA Weather - Tonight Chance Of Rain Eureka, CA Weather - Sunday Clearing Eureka, CA Weather - Sunday Night Partly Cloudy Eureka, CA Weather - Monday Mostly Cloudy Eureka, CA Weather - Monday Night Chance Of Rain Eureka, CA Weather - Tuesday Chance Of Rain Eureka, CA Weather - Tuesday Night Chance Of Rain Eureka, CA Weather - Wednesday Chance Of Rain Eureka, CA Weather - Wednesday Night Chance Of T-Storm Eureka, CA Weather - Thursday Chance Of T-Storm Eureka, CA Weather - Thursday Night Chance Of Rain
Chance of Rain Chance of Rain Clearing Partly Cloudy Mostly Cloudy Chance of Rain Chance of Rain Chance of Rain Chance of Rain Chance of T-Storm Chance of T-Storm Chance of Rain
Hi: 54°FHi: 12°C
Lo: 43°FLo: 6°C Hi: 57°FHi: 14°C
Lo: 42°FLo: 6°C Hi: 61°FHi: 16°C
Lo: 47°FLo: 8°C Hi: 61°FHi: 16°C
Lo: 46°FLo: 8°C
Hi: 61°FHi: 16°C
Lo: 46°FLo: 8°C
Hi: 60°FHi: 16°C
Hi: 59°FHi: 15°C
Lo: 47°FLo: 8°C
Hi: 59°FHi: 15°C
Lo: 47°FLo: 8°C
Lo: 46°FLo: 8°C
POP = Probability of Precipitation.
Weather Outlook Updated: 137 AM PDT Sat Oct 31 2026 Eureka, CA Weather - WeatherWorld.com

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Eureka Forecast Discussion

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Issued: 1212 AM PDT Sat Oct 31 2026

Key Messages

  • Light to locally moderate rain likely today.
  • Additional light rain possible Tuesday.
  • Stronger storms with heavy rain possible starting late next week and into mid November.

Discussion

...Rain chances increase Saturday morning as a NE Pacific trough moves in. Rainfall totals will be on the low side with the trough. The trough will turn negatively titled on approach and will contain some instability, so locally heavier rainfall amounts and perhaps some isolated thunderstorms are possible...