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

Arcata / Eureka, Arcata Airport (KACV)

Lat: 40.97806°NLon: 124.10861°WElev: 217.0ft.

Overcast

48°F

9°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 07 Apr 05:30 AM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Today

    Today: Patchy fog between 8am and 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 56. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 56 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 45. Northwest wind around 6 mph becoming calm in the evening.

    Low: 45 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly after 11am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 61. Calm wind becoming west around 6 mph in the afternoon.

    High: 61 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Areas of fog after 11pm. Otherwise, mostly cloudy, with a low around 48. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers and
    Areas Fog

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 59. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers
    Likely and
    Areas Fog

  • Thursday Night

    Thursday Night: Showers likely. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 49. Light north wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 58. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Rain likely. Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain Likely

Detailed Forecast

Today
Patchy fog between 8am and 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 56. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tonight
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 45. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
A 40 percent chance of showers, mainly after 11am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 61. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
A 50 percent chance of showers. Areas of fog after 11pm. Otherwise, mostly cloudy, with a low around 48. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, with thunderstorms also possible after 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 59. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 49. Light north wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely, with thunderstorms also possible after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 58. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 46.
Saturday
Rain likely. Mostly cloudy, with a high near 55.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 42.
Sunday
A chance of rain. Partly sunny, with a high near 54.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 42.
Monday
A slight chance of rain. Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.97°N 124.1°W (Elev. 197 ft)
Last Update:
2:10 am PDT Apr 7, 2026
Forecast Valid:
5am PDT Apr 7, 2026-6pm PDT Apr 13, 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