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

55°F

13°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 09 Apr 09:55 PM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Tonight

    Tonight: Showers likely, mainly after 2am. Mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Scattered
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers, with thunderstorms also possible after 8am. Patchy fog before 11am. High near 58. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °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 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers

  • Saturday

    Saturday: Rain. High near 53. South wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 53 °F

    Rain

  • Saturday Night

    Saturday Night: Rain before 11pm, then showers after 11pm. Low around 44. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain

  • Sunday

    Sunday: Showers. High near 54. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 45. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain

  • Monday

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

    High: 54 °F

    Chance Rain
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly after 2am. Mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, with thunderstorms also possible after 8am. Patchy fog before 11am. High near 58. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
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 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain. High near 53. South wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain before 11pm, then showers after 11pm. Low around 44. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers. High near 54. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 45. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of rain before 11am. Partly sunny, with a high near 54.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
A slight chance of rain. Partly sunny, with a high near 55.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.99°N 124.11°W (Elev. 39 ft)
Last Update:
8:55 pm PDT Apr 9, 2026
Forecast Valid:
10pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation