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

51°F

11°C

Humidity 96%
Wind Speed N 3 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 50°F (10°C)
Visibility 8.00 mi
Last update 25 Feb 08:07 PM PST
Extended Forecast for

Arcata/Eureka Airport CA

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 42. Light east wind.

    Low: 42 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 59 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

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

    Low: 45 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog between 7am and 10am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 63 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 10am. Cloudy, with a high near 61. Calm wind becoming southwest around 5 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: 61 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 47. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers and
    Areas Fog

  • Sunday Night

    Sunday Night: A chance of showers. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers and
    Patchy Fog

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 42. Light east wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 45. Calm wind.
Friday
Patchy fog between 7am and 10am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming north northwest around 6 mph in the afternoon.
Friday Night
A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 48. Calm wind.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 10am. Cloudy, with a high near 61. Calm wind becoming southwest around 5 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.
Saturday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 47. Chance of precipitation is 70%. 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 57.
Sunday Night
A chance of showers. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 45.
Monday
A slight chance of showers. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 44.
Wednesday
A chance of showers. Partly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.97°N 124.1°W (Elev. 197 ft)
Last Update:
1:10 pm PST Feb 25, 2026
Forecast Valid:
8pm PST Feb 25, 2026-6pm PST Mar 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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