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

48°F

9°C

Humidity 93%
Wind Speed NE 3 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 15 Mar 09:35 PM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog before 11pm, then patchy fog after 2am. Otherwise, mostly clear, with a low around 46. Northwest wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 8pm and 11pm. Otherwise, mostly clear, with a low around 47. Light and variable wind.

    Low: 47 °F

    Patchy Fog
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. Calm wind.
Monday
Mostly sunny, with a high near 63. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Monday Night
Patchy fog before 11pm, then patchy fog after 2am. Otherwise, mostly clear, with a low around 46. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
Patchy fog between 8pm and 11pm. Otherwise, mostly clear, with a low around 47. Light and variable wind.
Wednesday
Mostly sunny, with a high near 66. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Mostly cloudy, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
A slight chance of drizzle. Mostly sunny, with a high near 58.
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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 15, 2026
Forecast Valid:
9pm PDT Mar 15, 2026-6pm PDT Mar 22, 2026
 
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Additional Resources

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