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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Overcast

58°F

14°C

Humidity 86%
Wind Speed N 6 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Sep 09:53 PM PDT
Extended Forecast for

Trinidad CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. North wind around 9 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 59. North northwest wind 7 to 9 mph.

    High: 59 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. North wind 5 to 8 mph becoming calm after midnight.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 59. Calm wind becoming north northwest 5 to 9 mph in the morning.

    High: 59 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60. North northwest wind 3 to 8 mph.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. North wind around 9 mph.
Saturday
Mostly cloudy, with a high near 59. North northwest wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 54. North wind 5 to 8 mph becoming calm after midnight.
Sunday
Mostly cloudy, with a high near 59. Calm wind becoming north northwest 5 to 9 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 54. North northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 60. North northwest wind 3 to 8 mph.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 61.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trinidad CA
 41.05°N 124.16°W (Elev. 0 ft)
Last Update:
9:38 pm PDT Sep 18, 2026
Forecast Valid:
10pm PDT Sep 18, 2026-6pm PDT Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation