National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Eureka WFO (EKA01)

Lat: 40.8098°NLon: 124.1602°WElev: 20.0ft.

Mostly Cloudy

51°F

11°C

Humidity NA
Wind Speed NW 3 MPH
Barometer NA
Dewpoint N/A
Visibility 7.00 mi
Last update NA
Extended Forecast for

Arcata CA

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 42. Light south southwest wind.

    Low: 42 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 1am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 4am. Patchy fog before 4am. Otherwise, cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 10am. Patchy fog between 7am and 10am. Otherwise, cloudy, with a high near 61. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 47. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely and
    Areas Fog

  • Sunday

    Sunday: A chance of showers. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 59.

    High: 59 °F

    Chance
    Showers and
    Areas Fog

  • Sunday Night

    Sunday Night: A chance of showers. Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers and
    Areas Fog

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 42. Light south southwest wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60. Light and variable wind.
Thursday Night
Patchy fog before 1am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 45. Calm wind.
Friday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 64. Light and variable wind.
Friday Night
A 30 percent chance of showers after 4am. Patchy fog before 4am. Otherwise, cloudy, with a low around 49. Calm wind.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 10am. Patchy fog between 7am and 10am. Otherwise, cloudy, with a high near 61. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 47. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 59.
Sunday Night
A chance of showers. Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 44.
Monday
A slight chance of showers. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 62.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 43.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 64.
Tuesday Night
A slight chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Wednesday
A chance of showers. Patchy fog. Otherwise, partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata CA
 40.87°N 124.07°W (Elev. 194 ft)
Last Update:
1:10 pm PST Feb 25, 2026
Forecast Valid:
8pm PST Feb 25, 2026-6pm PST Mar 4, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation