National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

Lat: 40.97806°NLon: 124.10861°WElev: 217.0ft.

Fog

10°C

50°F

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 10°C (50°F)
Visibility 0.40 km
Last update 06 Oct 01:53 AM PDT
Extended Forecast for

2 Miles NNW Arcata CA

Dense Fog Advisory until October 6, 05:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until October 6, 05:00am

    NOW until 5:00am Tue

    Dense Fog Advisory

  • Overnight

    Low: 10 °C

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Patchy dense fog before 11am. Otherwise, partly sunny, with a high near 19. Calm wind becoming west northwest 5 to 10 km/h in the afternoon.

    High: 19 °C

    Patchy Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy dense fog after 8pm. Otherwise, increasing clouds, with a low around 11. Calm wind.

    Low: 11 °C

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 21. Light west northwest wind increasing to 6 to 11 km/h in the afternoon.

    High: 21 °C

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12. Calm wind.

    Low: 12 °C

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 22. Calm wind.

    High: 22 °C

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13.

    Low: 13 °C

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 20.

    High: 20 °C

    Mostly Sunny

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 10. Calm wind.
Tuesday
Patchy dense fog before 11am. Otherwise, partly sunny, with a high near 19. Calm wind becoming west northwest 5 to 10 km/h in the afternoon.
Tuesday Night
Patchy dense fog after 8pm. Otherwise, increasing clouds, with a low around 11. Calm wind.
Wednesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 21. Light west northwest wind increasing to 6 to 11 km/h in the afternoon.
Wednesday Night
Partly cloudy, with a low around 12. Calm wind.
Thursday
Mostly sunny, with a high near 22. Calm wind.
Thursday Night
Partly cloudy, with a low around 13.
Friday
Mostly sunny, with a high near 20.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Mostly sunny, with a high near 14. Breezy.
Saturday Night
Partly cloudy, with a low around 6. Breezy.
Sunday
Sunny, with a high near 14.
Sunday Night
Mostly clear, with a low around 7. Breezy.
Columbus Day
Mostly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Arcata CA
 40.91°N 124.08°W (Elev. 180 m)
Last Update:
2:10 am PDT Oct 6, 2026
Forecast Valid:
2am PDT Oct 6, 2026-6pm PDT Oct 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation