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 93%
Wind Speed N 0 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Apr 09:00 AM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Today

    Today: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 55. Light and variable wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Showers
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 45. Northwest wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of rain before 11am. Mostly cloudy, with a high near 54. North northwest wind 3 to 8 mph.

    High: 54 °F

    Chance Rain
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. North northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 46. West northwest wind around 6 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain. High near 51. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm. Partly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 54. Breezy.

    High: 54 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 55. Light and variable wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 40 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 45. Northwest wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 40 percent chance of rain before 11am. Mostly cloudy, with a high near 54. North northwest wind 3 to 8 mph.
Monday Night
Mostly cloudy, with a low around 43. North northwest wind 5 to 9 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 54. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 46. West northwest wind around 6 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 51. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of rain before 11pm. Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 54. Breezy.
Thursday Night
Mostly clear, with a low around 39. Breezy.
Friday
Sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 58.
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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 am PDT Apr 12, 2026
Forecast Valid:
9am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
Forecast Discussion
 
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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