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.

Clear

48°F

9°C

Humidity 87%
Wind Speed E 3 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 24 Mar 03:00 AM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 5pm. Increasing clouds, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 66 °F

    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 8pm. Cloudy, with a low around 47. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain Likely

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 55. North northwest wind 6 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 37. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59. North wind 9 to 15 mph, with gusts as high as 20 mph.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Mostly cloudy, with a low around 46. Calm wind.
Tuesday
A 30 percent chance of rain, mainly after 5pm. Increasing clouds, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Tuesday Night
Rain likely, mainly after 8pm. Cloudy, with a low around 47. 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. Mostly cloudy, with a high near 55. North northwest wind 6 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 37. North wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 59. North wind 9 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 62.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 44.
Saturday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 60.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 62.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 46.
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
 40.97°N 124.1°W (Elev. 197 ft)
Last Update:
2:10 am PDT Mar 24, 2026
Forecast Valid:
3am PDT Mar 24, 2026-6pm PDT Mar 30, 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