National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

Lat: 40.97806°NLon: 124.10861°WElev: 217.0ft.

Overcast

55°F

13°C

Humidity 93%
Wind Speed WNW 5 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 13 Aug 11:15 AM PDT
Extended Forecast for

Trinidad CA

  • Today

    Today: Mostly sunny, with a high near 68. West wind around 6 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 71. Light west northwest wind becoming north 8 to 13 mph in the afternoon.

    High: 71 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. North wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 22 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 72. Northwest wind 3 to 8 mph.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of drizzle after 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 57. North northwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Chance
    Drizzle and
    Patchy Fog

  • Saturday

    Saturday: A chance of drizzle before 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 71.

    High: 71 °F

    Chance
    Drizzle and
    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A slight chance of drizzle after 11pm. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Drizzle

  • Sunday

    Sunday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 68. West wind around 6 mph.
Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 54. Light and variable wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 71. Light west northwest wind becoming north 8 to 13 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 54. North wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 22 mph.
Friday
Partly sunny, with a high near 72. Northwest wind 3 to 8 mph.
Friday Night
A chance of drizzle after 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 57. North northwest wind around 6 mph becoming calm in the evening.
Saturday
A chance of drizzle before 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 71.
Saturday Night
A slight chance of drizzle after 11pm. Mostly cloudy, with a low around 56.
Sunday
Mostly cloudy, with a high near 71.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 71.
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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:
6:47 am PDT Aug 13, 2025
Forecast Valid:
11am PDT Aug 13, 2025-6pm PDT Aug 19, 2025
 
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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