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.

Mist

54°F

12°C

Humidity 100%
Wind Speed WSW 3 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 54°F (12°C)
Visibility 5.00 mi
Last update 10 Apr 02:35 AM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Overnight

    Overnight: Showers, mainly after 5am. Areas of fog. Low around 49. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers and
    Areas Fog

  • Friday

    Friday: Showers, with thunderstorms also possible after 11am. Patchy fog before 11am. High near 57. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 49. Southwest wind around 6 mph becoming south southeast in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers

  • Saturday

    Saturday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 54. South wind 7 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 54 °F

    Showers

  • Saturday Night

    Saturday Night: Rain. Low around 45. East northeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 54. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 11am. Partly sunny, with a high near 54.

    High: 54 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers, mainly after 5am. Areas of fog. Low around 49. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, with thunderstorms also possible after 11am. Patchy fog before 11am. High near 57. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 49. Southwest wind around 6 mph becoming south southeast in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 54. South wind 7 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Rain. Low around 45. East northeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely. Mostly cloudy, with a high near 54. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers before 11am. Partly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
A slight chance of rain. Partly sunny, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 57.
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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 10, 2026
Forecast Valid:
2am PDT Apr 10, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation