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

43°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Mar 07:35 AM PDT
Extended Forecast for

5 Miles E Arcata/Eureka Airport CA

  • Today

    Today: Increasing clouds, with a high near 68. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 68 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Patchy fog after 8pm. Otherwise, cloudy, with a low around 45. North northwest wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 57. Light north northwest wind increasing to 5 to 9 mph in the afternoon.

    High: 57 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. North northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61. North northwest wind 3 to 7 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain, mainly after 11am. Partly sunny, with a high near 65.

    High: 65 °F

    Chance Rain

Detailed Forecast

Today
Increasing clouds, with a high near 68. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Tonight
Patchy fog after 8pm. Otherwise, cloudy, with a low around 45. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 57. Light north northwest wind increasing to 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 40. North northwest wind 5 to 9 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 61. North northwest wind 3 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 45. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
A chance of rain, mainly after 11am. Partly sunny, with a high near 65.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 46.
Wednesday
A chance of rain. Partly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Arcata/Eureka Airport CA
 40.99°N 124.02°W (Elev. 797 ft)
Last Update:
2:10 am PDT Mar 20, 2026
Forecast Valid:
7am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation