National Weather Service United States Department of Commerce

Check Water Temperatures Before Your River Visit

Water temperatures below 70 degrees causes you to lose breathing & muscle control which can lead to drowning. The colder the water the more extreme the impacts. Enjoy the river by staying dry when water is cold. Read More >

Eureka, CA

Weather Forecast Office

NWS Forecast Office Eureka, CA

Weather.gov > Eureka, CA
Click a location below for detailed forecast.

Last Map Update: Thu, Jun 25, 2026 at 10:06:32 am PDT

Weekend Cooldown
Rain Returns Friday
A cold front will bring cooler temperatures and a chance for some rain to northwest California into this weekend. Some interior locations can experience as much as a 20-degree temperature drop over the next few days.
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A cold front is expected to bring some rain and cooler temperatures to Humboldt and Del Norte counties Friday. Areas farther south and east are expected to remain mainly dry. For details visit weather.gov and search for your location.
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