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.

Clear

55°F

13°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 27 Feb 09:35 AM PST
Extended Forecast for

Arcata/Eureka Airport CA

  • Today

    Today: Partly sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 49. Light southeast wind. Chance of precipitation is 60%.

    Low: 49 °F

    Patchy Fog
    then Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 4pm. High near 61. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Patchy fog after 10pm. Low around 49. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers and
    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers likely. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 57. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: Showers likely, mainly before 10pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers
    Likely and
    Patchy Fog

  • Monday

    Monday: A 30 percent chance of showers, mainly before 10am. Patchy fog before 1pm. Otherwise, mostly sunny, with a high near 57.

    High: 57 °F

    Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of rain after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 57.

    High: 57 °F

    Patchy Fog
    then Slight
    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Showers likely, mainly after 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 49. Light southeast wind. Chance of precipitation is 60%.
Saturday
Showers, with thunderstorms also possible after 4pm. High near 61. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Patchy fog after 10pm. Low around 49. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 57. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers likely, mainly before 10pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of showers, mainly before 10am. Patchy fog before 1pm. Otherwise, mostly sunny, with a high near 57.
Monday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 44.
Tuesday
A slight chance of rain after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 57.
Tuesday Night
Rain likely, mainly after 4am. Cloudy, with a low around 45.
Wednesday
Rain likely. Mostly cloudy, with a high near 56.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.97°N 124.1°W (Elev. 197 ft)
Last Update:
1:10 am PST Feb 27, 2026
Forecast Valid:
9am PST Feb 27, 2026-6pm PST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation