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

50°F

10°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 02 Mar 04:35 AM PST
Extended Forecast for

Arcata/Eureka Airport CA

  • Overnight

    Overnight: A 20 percent chance of showers. Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 10 percent chance of showers before 7am. Mostly sunny, with a high near 59. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 59 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: A 10 percent chance of showers after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 56. Calm wind becoming west around 6 mph in the afternoon.

    High: 56 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Showers after 10pm. Low around 46. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Showers

  • Wednesday

    Wednesday: Showers, mainly before 4pm. High near 54. Northwest wind 6 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers before 10pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Partly cloudy, with a low around 47. Calm wind.
Monday
A 10 percent chance of showers before 7am. Mostly sunny, with a high near 59. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
A 10 percent chance of showers after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 46. Calm wind.
Tuesday
A 20 percent chance of showers before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 56. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Showers after 10pm. Low around 46. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers, mainly before 4pm. High near 54. Northwest wind 6 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of showers 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 58.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Mostly cloudy, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Partly 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:
1:10 am PST Mar 2, 2026
Forecast Valid:
4am PST Mar 2, 2026-6pm PDT Mar 8, 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