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

51°F

11°C

Humidity 85%
Wind Speed WNW 5 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 47°F (8°C)
Visibility 8.00 mi
Last update 23 Mar 06:53 PM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Light and variable wind.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of drizzle after 2pm. Increasing clouds, with a high near 65. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 65 °F

    Mostly Sunny
    then Slight
    Chance
    Drizzle

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 49. Calm wind becoming north around 6 mph after midnight. 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 before 11am. Patchy fog before 11am. Otherwise, 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.

    High: 55 °F

    Chance Rain
    and Patchy
    Fog then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. Breezy, with a north wind 9 to 17 mph.

    Low: 42 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 59. North wind 8 to 14 mph.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Friday Night

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

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. Light and variable wind.
Tuesday
A slight chance of drizzle after 2pm. Increasing clouds, with a high near 65. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Tuesday Night
Rain likely. Cloudy, with a low around 49. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of rain before 11am. Patchy fog before 11am. Otherwise, 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.
Wednesday Night
Mostly cloudy, with a low around 42. Breezy, with a north wind 9 to 17 mph.
Thursday
Sunny, with a high near 59. North wind 8 to 14 mph.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
A slight chance of rain. Partly sunny, with a high near 61.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 48.
Monday
A chance of rain. Mostly cloudy, 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 pm PDT Mar 23, 2026
Forecast Valid:
7pm PDT Mar 23, 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