National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

Lat: 40.97806°NLon: 124.10861°WElev: 217.0ft.

Clear

3°C

37°F

Humidity 100%
Wind Speed ENE 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 3°C (37°F)
Visibility 16 km
Last update 17 Apr 02:20 AM PDT
Extended Forecast for

Arcata/Eureka Airport CA

Frost Advisory until April 17, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until April 17, 09:00am

    NOW until 9:00am Fri

    Frost Advisory

  • Overnight

    Low: 2 °C

    Patchy Frost

  • Friday

    Friday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 14. Northeast wind 8 to 18 km/h becoming northwest in the morning.

    High: 14 °C

    Areas Frost
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 4. Northwest wind 9 to 14 km/h becoming light and variable in the evening.

    Low: 4 °C

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 15. Light and variable wind becoming west 6 to 11 km/h in the afternoon.

    High: 15 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 8. West northwest wind 5 to 8 km/h becoming calm in the evening.

    Low: 8 °C

    Slight Chance
    Rain

  • Sunday

    Sunday: A 50 percent chance of rain. Cloudy, with a high near 17. South southeast wind 5 to 14 km/h becoming southwest in the afternoon. New precipitation amounts between 2.5 and 5 mm possible.

    High: 17 °C

    Chance Rain

  • Sunday Night

    Sunday Night: Rain. Low around 8. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 cm possible.

    Low: 8 °C

    Rain

  • Monday

    Monday: Rain. Cloudy, with a high near 14.

    High: 14 °C

    Rain

Detailed Forecast

Overnight
Patchy frost. Otherwise, mostly clear, with a low around 2. North northeast wind around 10 km/h.
Friday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 14. Northeast wind 8 to 18 km/h becoming northwest in the morning.
Friday Night
Mostly cloudy, with a low around 4. Northwest wind 9 to 14 km/h becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 15. Light and variable wind becoming west 6 to 11 km/h in the afternoon.
Saturday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 8. West northwest wind 5 to 8 km/h becoming calm in the evening.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 17. South southeast wind 5 to 14 km/h becoming southwest in the afternoon. New precipitation amounts between 2.5 and 5 mm possible.
Sunday Night
Rain. Low around 8. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 cm possible.
Monday
Rain. Cloudy, with a high near 14.
Monday Night
Rain. Mostly cloudy, with a low around 7.
Tuesday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 14.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 7.
Wednesday
A chance of rain. Partly sunny, with a high near 13.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 7.
Thursday
Mostly sunny, with a high near 14.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.97°N 124.1°W (Elev. 197 m)
Last Update:
2:10 am PDT Apr 17, 2026
Forecast Valid:
2am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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