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.

Rain

55°F

13°C

Humidity NA
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 2.00 mi
Last update NA
Extended Forecast for

Arcata CA

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 49. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: Showers, with thunderstorms also possible after 8am. Patchy fog before 11am. High near 60. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 47. West southwest wind around 5 mph becoming calm. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers

  • Saturday

    Saturday: Rain. High near 55. South wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Rain

  • Saturday Night

    Saturday Night: Rain before 11pm, then showers after 11pm. Patchy fog after 11pm. Low around 41. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: Showers. Patchy fog before 11am. High near 56. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 50 percent chance of rain, mainly before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 42. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain
    then Slight
    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A chance of rain before 11am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 54.

    High: 54 °F

    Chance Rain
    and Patchy
    Fog then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 49. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers, with thunderstorms also possible after 8am. Patchy fog before 11am. High near 60. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 47. West southwest wind around 5 mph becoming calm. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain. High near 55. South wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain before 11pm, then showers after 11pm. Patchy fog after 11pm. Low around 41. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers. Patchy fog before 11am. High near 56. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 50 percent chance of rain, mainly before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 42. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of rain before 11am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 54.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 56.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 41.
Wednesday
A slight chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 57.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Thursday
Patchy fog. Otherwise, mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata CA
 40.87°N 124.07°W (Elev. 194 ft)
Last Update:
3:39 pm PDT Apr 9, 2026
Forecast Valid:
7pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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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