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

43°F

6°C

Humidity 86%
Wind Speed ESE 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 16 Apr 11:35 PM PDT
Extended Forecast for

Arcata/Eureka Airport CA

Frost Advisory April 17, 02:00am until April 17, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 2am. Otherwise, mostly clear, with a low around 35. Northeast wind 5 to 7 mph.

    Low: 35 °F

    Patchy Frost

  • Friday

    Friday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 58. Northeast wind 5 to 11 mph becoming northwest in the morning.

    High: 58 °F

    Areas Frost
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 39. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 39 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 60. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 60 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 47. West wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 11am. Cloudy, with a high near 60. South southeast wind 3 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 60 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    Rain

  • Monday

    Monday: Rain. Mostly cloudy, with a high near 59.

    High: 59 °F

    Rain

  • Monday Night

    Monday Night: Rain likely. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy frost after 2am. Otherwise, mostly clear, with a low around 35. Northeast wind 5 to 7 mph.
Friday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 58. Northeast wind 5 to 11 mph becoming northwest in the morning.
Friday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 39. Northwest wind 5 to 9 mph becoming calm in the evening.
Saturday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 60. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 47. West wind around 5 mph becoming calm in the evening.
Sunday
Rain likely, mainly after 11am. Cloudy, with a high near 60. South southeast wind 3 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain. Mostly cloudy, with a high near 59.
Monday Night
Rain likely. Mostly cloudy, with a low around 45.
Tuesday
Rain likely. Mostly cloudy, with a high near 57.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 46.
Wednesday
A chance of rain. Partly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 57.
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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 ft)
Last Update:
2:10 pm PDT Apr 16, 2026
Forecast Valid:
11pm PDT Apr 16, 2026-6pm PDT Apr 23, 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