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

59°F

15°C

Humidity 62%
Wind Speed W 6 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 05 Apr 09:53 AM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Today

    Today: Mostly sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming west around 6 mph in the afternoon.

    High: 58 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 57. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 57 °F

    Areas Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 46. Northwest wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A 50 percent chance of rain. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 59. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A chance of rain. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of rain. Patchy fog before 11am. Otherwise, partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Today
Mostly sunny, with a high near 66. Light and variable wind.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 46. Calm wind.
Monday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 45. Light and variable wind.
Tuesday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 57. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of rain, mainly after 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 46. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
A 50 percent chance of rain. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 59. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 47.
Thursday
A chance of rain. Patchy fog before 11am. Otherwise, partly sunny, with a high near 58.
Thursday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 46.
Friday
A chance of rain. Partly sunny, with a high near 58.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Partly 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 5, 2026
Forecast Valid:
10am PDT Apr 5, 2026-6pm PDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation