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.

Mist

41°F

5°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 41°F (5°C)
Visibility 0.75 mi
Last update 09 Feb 05:18 AM PST
Extended Forecast for

Blue Lake CASimilar City Names

  • Today

    Today: Patchy fog before 10am. Otherwise, partly sunny, with a high near 57. Light and variable wind becoming northwest 8 to 13 mph in the morning.

    High: 57 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after 10am. Mostly cloudy, with a high near 57. South southeast wind 3 to 6 mph.

    High: 57 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 39. Calm wind. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A 50 percent chance of rain. Partly sunny, with a high near 55. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 38. Calm wind. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 10am. Partly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 36.

    Low: 36 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 56.

    High: 56 °F

    Patchy Fog
    then Mostly
    Cloudy

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, partly sunny, with a high near 57. Light and variable wind becoming northwest 8 to 13 mph in the morning.
Tonight
Cloudy, with a low around 40. Calm wind.
Tuesday
A 30 percent chance of rain after 10am. Mostly cloudy, with a high near 57. South southeast wind 3 to 6 mph.
Tuesday Night
A 50 percent chance of rain. Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 39. Calm wind. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 55. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 38. Calm wind. Chance of precipitation is 30%.
Thursday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 55.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 36.
Friday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 56.
Friday Night
Rain likely, mainly after 4am. Cloudy, with a low around 39.
Saturday
Rain. Cloudy, with a high near 52.
Saturday Night
Rain. Mostly cloudy, with a low around 35.
Sunday
Rain. Mostly cloudy, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Blue Lake CASimilar City Names
 40.88°N 123.99°W (Elev. 200 ft)
Last Update:
1:10 am PST Feb 9, 2026
Forecast Valid:
5am PST Feb 9, 2026-6pm PST Feb 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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