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

53°F

12°C

Humidity 76%
Wind Speed NNW 10 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 29 Mar 06:53 PM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 43. North northwest wind 6 to 11 mph becoming light and variable after midnight.

    Low: 43 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: A 30 percent chance of showers. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 56. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 56 °F

    Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: A 20 percent chance of showers. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 55. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 55 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 46. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain. High near 54. Breezy, with a south wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 54 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain before 11pm, then showers and possibly a thunderstorm after 11pm. Low around 42. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers

  • Thursday

    Thursday: Rain, mainly before 11am. Mostly cloudy, with a high near 52.

    High: 52 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain before 11pm. Partly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain
    then Mostly
    Clear

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 43. North northwest wind 6 to 11 mph becoming light and variable after midnight.
Monday
A 30 percent chance of showers. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 56. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night
A 20 percent chance of showers. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 44. Light and variable wind.
Tuesday
A 30 percent chance of showers, mainly after 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 55. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 46. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. High near 54. Breezy, with a south wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain before 11pm, then showers and possibly a thunderstorm after 11pm. Low around 42. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain, mainly before 11am. Mostly cloudy, with a high near 52.
Thursday Night
A chance of rain before 11pm. Partly cloudy, with a low around 37.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 45.
Sunday
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:
2:10 pm PDT Mar 29, 2026
Forecast Valid:
7pm PDT Mar 29, 2026-6pm PDT Apr 5, 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