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 >

Hazardous Weather Conditions

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Fog

53°F

12°C

Humidity 100%
Wind Speed SE 3 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 53°F (12°C)
Visibility 0.25 mi
Last update 03 Oct 04:07 AM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Overnight

    Overnight: A slight chance of drizzle. Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Slight Chance
    Drizzle

  • Saturday

    Saturday: Partly sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of drizzle after 8pm. Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Slight Chance
    Drizzle

  • Sunday

    Sunday: Mostly cloudy, with a high near 70. Light and variable wind.

    High: 70 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58. Light north wind.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 69. Northwest wind 3 to 6 mph.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of drizzle. Mostly cloudy, with a low around 55. Calm wind.
Saturday
Partly sunny, with a high near 68. Light and variable wind.
Saturday Night
A slight chance of drizzle after 8pm. Mostly cloudy, with a low around 57. Calm wind.
Sunday
Mostly cloudy, with a high near 70. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 58. Light north wind.
Monday
Mostly sunny, with a high near 69. Northwest wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 64.
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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 Oct 3, 2026
Forecast Valid:
4am PDT Oct 3, 2026-6pm PDT Oct 9, 2026
 
Forecast Discussion
 
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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