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

52°F

11°C

Humidity 81%
Wind Speed W 3 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 46°F (8°C)
Visibility 9.00 mi
Last update 22 Mar 01:30 PM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 58. Northwest wind 8 to 11 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog between 8pm and 11pm. Otherwise, mostly cloudy, with a low around 45. Northwest wind 5 to 9 mph becoming calm.

    Low: 45 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday

    Monday: Patchy fog between 8am and 11am. Otherwise, mostly sunny, with a high near 59. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 59 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after 11am. Partly sunny, with a high near 64. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 64 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely before 2am, then showers likely after 2am. Mostly cloudy, with a low around 47. West southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers before 11am. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 58. Northwest wind 8 to 11 mph.
Tonight
Patchy fog between 8pm and 11pm. Otherwise, mostly cloudy, with a low around 45. Northwest wind 5 to 9 mph becoming calm.
Monday
Patchy fog between 8am and 11am. Otherwise, mostly sunny, with a high near 59. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 49. Light and variable wind.
Tuesday
A 40 percent chance of rain, mainly after 11am. Partly sunny, with a high near 64. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.
Tuesday Night
Rain likely before 2am, then showers likely after 2am. Mostly cloudy, with a low around 47. West southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 40 percent chance of showers before 11am. Mostly cloudy, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Mostly cloudy, with a low around 42.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 62.
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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:
12:24 pm PDT Mar 22, 2026
Forecast Valid:
1pm PDT Mar 22, 2026-6pm PDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation