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

Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Clear

55°F

13°C

Humidity 93%
Wind Speed N 6 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 17 Oct 07:00 PM PDT
Extended Forecast for

Trinidad CA

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 48. North wind 5 to 10 mph becoming light and variable in the evening.

    Low: 48 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. Light and variable wind.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Light and variable wind becoming north northwest 6 to 11 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. North northeast wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. North northwest wind 5 to 7 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 48. North wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 67. Light and variable wind.
Saturday Night
Mostly clear, with a low around 49. Light and variable wind.
Sunday
Mostly sunny, with a high near 64. Light and variable wind becoming north northwest 6 to 11 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 46. North northeast wind 6 to 14 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 67. North northwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Thursday
A chance of rain. Mostly cloudy, with a high near 65.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 51.
Friday
Rain likely. Cloudy, with a high near 64.
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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:
2:05 pm PDT Oct 17, 2025
Forecast Valid:
7pm PDT Oct 17, 2025-6pm PDT Oct 24, 2025
 
Forecast Discussion
 
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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