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

45°F

7°C

Humidity 100%
Wind Speed E 3 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 19 Mar 02:20 AM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Overnight

    Overnight: Areas of fog. Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Areas Fog

  • Thursday

    Thursday: Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 63 °F

    Areas Dense
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 45. Light and variable wind.

    Low: 45 °F

    Increasing
    Clouds

  • Friday

    Friday: Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 61. Light and variable wind becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 61 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. North northwest wind 6 to 10 mph.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 56. North wind 7 to 15 mph, with gusts as high as 22 mph.

    High: 56 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, partly cloudy, with a low around 44. Calm wind.
Thursday
Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 45. Light and variable wind.
Friday
Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 61. Light and variable wind becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 46. North northwest wind 6 to 10 mph.
Saturday
Mostly cloudy, with a high near 56. North wind 7 to 15 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly cloudy, with a high near 64.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 64.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

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 19, 2026
Forecast Valid:
2am PDT Mar 19, 2026-6pm PDT Mar 25, 2026
 
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