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

56°F

13°C

Humidity 90%
Wind Speed NW 6 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 19 Sep 02:53 AM PDT
Extended Forecast for

3 Miles SSE Trinidad CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 54. Light north wind.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 61. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 61 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Patchy dense fog after 5am. Otherwise, mostly cloudy, with a low around 54. North northwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Sunday

    Sunday: Patchy dense fog before 8am. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 61 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54. North northwest wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 63. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 63 °F

    Partly Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 63.

    High: 63 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

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

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 54. Light north wind.
Saturday
Mostly cloudy, with a high near 61. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Patchy dense fog after 5am. Otherwise, mostly cloudy, with a low around 54. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Patchy dense fog before 8am. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 54. North northwest wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 63. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 55.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 63.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Trinidad CA
 41.04°N 124.12°W (Elev. 0 ft)
Last Update:
2:10 am PDT Sep 19, 2026
Forecast Valid:
3am PDT Sep 19, 2026-6pm PDT Sep 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation