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.

Mostly Cloudy

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Apr 04:15 AM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Today

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

    High: 57 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. West northwest wind around 6 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 61. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 61 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 11pm. Cloudy, with a low around 49. Southwest wind 5 to 7 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: 49 °F

    Rain Likely

  • Monday

    Monday: Rain. High near 57. Southeast wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain

  • Monday Night

    Monday Night: Showers. Low around 48. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am. High near 56. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain Likely

Detailed Forecast

Today
Partly 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 48. West northwest wind around 6 mph becoming calm in the evening.
Sunday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 61. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Sunday Night
Rain likely, mainly after 11pm. Cloudy, with a low around 49. Southwest wind 5 to 7 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 57. Southeast wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers. Low around 48. Light and variable wind. 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 56. 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 48.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 55.
Wednesday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 46.
Thursday
A slight chance of rain. Partly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.99°N 124.11°W (Elev. 39 ft)
Last Update:
2:10 am PDT Apr 18, 2026
Forecast Valid:
4am PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation