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.

Clear

48°F

9°C

Humidity 96%
Wind Speed NE 3 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 16 Mar 10:53 PM PDT
Extended Forecast for

Trinidad CA

  • Tonight

    Tonight: Patchy dense fog before 2am. Otherwise, mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy dense fog after 2am. Otherwise, partly cloudy, with a low around 46. North northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Dense Fog

  • Wednesday

    Wednesday: Sunny, with a high near 66. Light north northwest wind.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. Light and variable wind.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of drizzle after 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Drizzle

Detailed Forecast

Tonight
Patchy dense fog before 2am. Otherwise, mostly cloudy, with a low around 45. Calm wind.
Tuesday
Mostly sunny, with a high near 65. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Tuesday Night
Patchy dense fog after 2am. Otherwise, partly cloudy, with a low around 46. North northwest wind 5 to 9 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 66. Light north northwest wind.
Wednesday Night
Mostly clear, with a low around 47. Light and variable wind.
Thursday
Sunny, with a high near 70. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 67.
Friday Night
A slight chance of drizzle after 11pm. Mostly cloudy, with a low around 47.
Saturday
A slight chance of drizzle before 11am. Mostly cloudy, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
A slight chance of rain. Partly sunny, with a high near 61.
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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:
10:43 pm PDT Mar 16, 2026
Forecast Valid:
11pm PDT Mar 16, 2026-6pm PDT Mar 23, 2026
 
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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