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

46°F

8°C

Humidity 93%
Wind Speed E 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 17 Mar 02:20 AM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Overnight

    Overnight: Cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Cloudy

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 59. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 59 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Patchy dense fog after 11pm. Otherwise, partly cloudy, with a low around 46. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 46 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Sunny, with a high near 64. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. North northwest wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Light and variable wind.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 45. Calm wind.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 59. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Tuesday Night
Patchy dense fog after 11pm. Otherwise, partly cloudy, with a low around 46. North northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 64. Calm wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 47. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 69. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Mostly cloudy, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
A slight chance of rain. Partly sunny, with a high near 59.
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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 Mar 17, 2026
Forecast Valid:
2am PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
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Additional Resources

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Chance of Precipitation