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

36°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.43 in (1030.48 mb)
Dewpoint 36°F (2°C)
Visibility 8.00 mi
Last update 11 Mar 06:35 AM PDT
Extended Forecast for

Trinidad CA

Frost Advisory until March 11, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory until March 11, 09:00am

    NOW until 9:00am Wed

    Frost Advisory

  • Today

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 41. Northwest wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Patchy Fog

  • Thursday

    Thursday: A slight chance of drizzle before 11am. Mostly sunny, with a high near 59. Calm wind becoming north northwest 5 to 9 mph in the afternoon.

    High: 59 °F

    Slight Chance
    Drizzle then
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of drizzle after 11pm. Patchy fog between 2am and 5am. Otherwise, increasing clouds, with a low around 43. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 43 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Friday

    Friday: A slight chance of drizzle before 11am. Patchy fog between 8am and 11am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 60 °F

    Slight Chance
    Drizzle and
    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A chance of drizzle, mainly after 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 46. Northwest wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Chance
    Drizzle and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers before 11am, then a slight chance of drizzle after 11am. Mostly cloudy, with a high near 61. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance
    Showers then
    Slight Chance
    Drizzle

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 59. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 41. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of drizzle before 11am. Mostly sunny, with a high near 59. Calm wind becoming north northwest 5 to 9 mph in the afternoon.
Thursday Night
A slight chance of drizzle after 11pm. Patchy fog between 2am and 5am. Otherwise, increasing clouds, with a low around 43. North northwest wind 5 to 8 mph becoming calm in the evening.
Friday
A slight chance of drizzle before 11am. Patchy fog between 8am and 11am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
A chance of drizzle, mainly after 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 46. Northwest wind around 6 mph becoming calm in the evening.
Saturday
A chance of showers before 11am, then a slight chance of drizzle after 11am. Mostly cloudy, with a high near 61. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 69.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trinidad CA
 41.06°N 124.13°W (Elev. 305 ft)
Last Update:
2:10 am PDT Mar 11, 2026
Forecast Valid:
6am PDT Mar 11, 2026-6pm PDT Mar 17, 2026
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation