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

55°F

13°C

Humidity 93%
Wind Speed S 5 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 01 Mar 12:00 AM PST
Extended Forecast for

Arcata/Eureka Airport CA

  • Overnight

    Overnight: A 50 percent chance of showers. Cloudy, with a low around 50. South wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 58. Calm wind becoming west southwest 5 to 7 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 47. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 10am, then a slight chance of showers after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 59. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 10pm, then a slight chance of rain after 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of rain before 10am, then a slight chance of rain after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 57. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 57 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Rain, mainly after 10pm. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain

  • Wednesday

    Wednesday: Rain, mainly before 4pm. Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

Detailed Forecast

Overnight
A 50 percent chance of showers. Cloudy, with a low around 50. South wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly after 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 58. Calm wind becoming west southwest 5 to 7 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 47. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers before 10am, then a slight chance of showers after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 59. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
A slight chance of showers before 10pm, then a slight chance of rain after 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 20%.
Tuesday
A slight chance of rain before 10am, then a slight chance of rain after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 57. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Rain, mainly after 10pm. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain, mainly before 4pm. Mostly cloudy, with a high near 55.
Wednesday Night
A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, 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:
10:21 pm PST Feb 28, 2026
Forecast Valid:
12am PST Mar 1, 2026-6pm PST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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