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

48°F

9°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 24 Mar 04:15 AM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Today

    Today: A 30 percent chance of rain, mainly after 5pm. Increasing clouds, with a high near 65. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 65 °F

    Mostly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly after 8pm. Cloudy, with a low around 49. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain Likely

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 55. North northwest wind 5 to 15 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance Rain
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58. North wind 8 to 14 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Northeast wind 6 to 13 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
A 30 percent chance of rain, mainly after 5pm. Increasing clouds, with a high near 65. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Tonight
Rain likely, mainly after 8pm. Cloudy, with a low around 49. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of rain, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 55. North northwest wind 5 to 15 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 42. North wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 58. North wind 8 to 14 mph.
Thursday Night
Partly cloudy, with a low around 44. Northeast wind 6 to 13 mph.
Friday
Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 62.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 49.
Monday
A chance of rain. Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.99°N 124.11°W (Elev. 39 ft)
Last Update:
2:10 am PDT Mar 24, 2026
Forecast Valid:
4am PDT Mar 24, 2026-6pm PDT Mar 30, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation