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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Fog

52°F

11°C

Humidity 100%
Wind Speed SSE 6 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 52°F (11°C)
Visibility 0.24 mi
Last update 03 Oct 08:05 PM PDT
Extended Forecast for

4 Miles E Arcata/Eureka Airport CA

  • Tonight

    Tonight: Increasing clouds, with a low around 58. Calm wind.

    Low: 58 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 76. Calm wind.

    High: 76 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 73. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 58. Calm wind.
Sunday
Mostly cloudy, with a high near 76. Calm wind.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 58. Calm wind.
Monday
Sunny, with a high near 73. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 57. Calm wind.
Tuesday
Sunny, with a high near 74. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 55.
Friday
Mostly sunny, with a high near 66.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 50.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Arcata/Eureka Airport CA
 40.99°N 124.02°W (Elev. 797 ft)
Last Update:
2:10 pm PDT Oct 3, 2026
Forecast Valid:
8pm PDT Oct 3, 2026-6pm PDT Oct 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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