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

52°F

11°C

Humidity 93%
Wind Speed W 5 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 50°F (10°C)
Visibility 3.00 mi
Last update 18 Mar 02:00 PM PDT
Extended Forecast for

Trinidad CA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 60. North wind around 9 mph.

    High: 60 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 52. North wind 3 to 8 mph.

    Low: 52 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 64. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 51. North wind 5 to 7 mph.

    Low: 51 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 61. North wind 5 to 14 mph.

    High: 61 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy drizzle before 11pm. Mostly cloudy, with a low around 52. North wind 9 to 14 mph.

    Low: 52 °F

    Patchy
    Drizzle then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 55. Windy.

    High: 55 °F

    Partly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. Windy.

    Low: 47 °F

    Partly Cloudy
    and Windy
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Breezy.

    High: 55 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 60. North wind around 9 mph.
Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 52. North wind 3 to 8 mph.
Thursday
Mostly sunny, with a high near 64. Calm wind becoming north 5 to 8 mph in the afternoon.
Thursday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 51. North wind 5 to 7 mph.
Friday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 61. North wind 5 to 14 mph.
Friday Night
Patchy drizzle before 11pm. Mostly cloudy, with a low around 52. North wind 9 to 14 mph.
Saturday
Partly sunny, with a high near 55. Windy.
Saturday Night
Partly cloudy, with a low around 47. Windy.
Sunday
Mostly sunny, with a high near 55. Breezy.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Mostly cloudy, with a high near 57.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Tuesday
A chance of rain. Mostly cloudy, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trinidad CA
 41.08°N 124.16°W (Elev. 0 ft)
Last Update:
2:10 pm PDT Mar 18, 2026
Forecast Valid:
2pm PDT Mar 18, 2026-6pm PDT Mar 24, 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