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.

Overcast

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Apr 05:20 AM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Today

    Today: Mostly sunny, with a high near 57. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. West northwest wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 62. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 62 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 11pm. Cloudy, with a low around 46. Southwest wind 5 to 9 mph becoming light and variable in the evening. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain Likely

  • Monday

    Monday: Rain. High near 58. Southeast wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain

  • Monday Night

    Monday Night: Showers. Low around 46. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am. High near 57. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 56.

    High: 56 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 57. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 45. West northwest wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 62. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Rain likely, mainly after 11pm. Cloudy, with a low around 46. Southwest wind 5 to 9 mph becoming light and variable in the evening. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. High near 58. Southeast wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers. Low around 46. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Showers, with thunderstorms also possible after 11am. High near 57. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Mostly cloudy, with a low around 45.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 56.
Wednesday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 44.
Thursday
A slight chance of rain. Partly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.97°N 124.1°W (Elev. 197 ft)
Last Update:
2:10 am PDT Apr 18, 2026
Forecast Valid:
5am PDT Apr 18, 2026-6pm PDT Apr 24, 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