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 30.05 in (1017.61 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 08 Apr 03:35 AM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly after 11am. Partly sunny, with a high near 61. Calm wind becoming west around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 51. West northwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 8am. High near 60. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 51. 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: 51 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: Showers, with thunderstorms also possible after 11am. Areas of fog before 2pm. High near 58. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers and
    Areas Fog

  • Friday Night

    Friday Night: Showers likely. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 49. 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

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 53.

    High: 53 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 11pm, then rain likely after 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. Calm wind.
Wednesday
A 40 percent chance of showers, mainly after 11am. Partly sunny, with a high near 61. Calm wind becoming west around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of showers, mainly after 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 51. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 8am. High near 60. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 51. 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 11am. Areas of fog before 2pm. High near 58. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 49. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 53.
Saturday Night
Showers likely and possibly a thunderstorm before 11pm, then rain likely after 11pm. Mostly cloudy, with a low around 44.
Sunday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 53.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 44.
Monday
A slight chance of rain. Mostly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.99°N 124.11°W (Elev. 39 ft)
Last Update:
2:10 am PDT Apr 8, 2026
Forecast Valid:
3am PDT Apr 8, 2026-6pm PDT Apr 14, 2026
 
Forecast Discussion
 
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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