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

55°F

13°C

Humidity 79%
Wind Speed NW 6 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 49°F (9°C)
Visibility 9.00 mi
Last update 28 Mar 03:53 PM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. North northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 59. Light and variable wind becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 43. North northwest wind 5 to 13 mph, with gusts as high as 18 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Monday

    Monday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 56. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 56 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain. Partly cloudy, with a low around 43. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 43 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 11am. Mostly sunny, with a high near 57. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 57 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 44. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 54.

    High: 54 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Cloudy, with a low around 41.

    Low: 41 °F

    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. North northwest wind 5 to 9 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 59. Light and variable wind becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Increasing clouds, with a low around 43. North northwest wind 5 to 13 mph, with gusts as high as 18 mph.
Monday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 56. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 43. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
A 30 percent chance of rain, mainly after 11am. Mostly sunny, with a high near 57. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. Cloudy, with a high near 54.
Wednesday Night
Rain. Cloudy, with a low around 41.
Thursday
Rain, mainly before 11am. Mostly cloudy, with a high near 52.
Thursday Night
A chance of rain. Partly cloudy, with a low around 38.
Friday
A slight chance of rain. Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 61.
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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 28, 2026
Forecast Valid:
4pm PDT Mar 28, 2026-6pm PDT Apr 4, 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