Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Partly Cloudy

61°F

16°C

Humidity 77%
Wind Speed W 8 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Sep 01:06 PM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 65. West northwest wind around 7 mph.

    High: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Light and variable wind becoming south southeast around 6 mph after midnight.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 65. Light and variable wind becoming west southwest 5 to 7 mph in the morning.

    High: 65 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64. Light north northeast wind becoming north northwest 5 to 10 mph in the afternoon.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. North northwest wind 5 to 10 mph becoming light north  after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 51.

    Low: 51 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 65. West northwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 53. Light and variable wind becoming south southeast around 6 mph after midnight.
Thursday
Partly sunny, with a high near 65. Light and variable wind becoming west southwest 5 to 7 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 64. Light north northeast wind becoming north northwest 5 to 10 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 51. North northwest wind 5 to 10 mph becoming light north after midnight.
Saturday
Mostly cloudy, with a high near 64.
Saturday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51.
Sunday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 64.
Sunday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 52.
Monday
Patchy fog. Otherwise, partly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.97°N 124.1°W (Elev. 197 ft)
12:53 pm PDT Sep 16, 2026
1pm PDT Sep 16, 2026-6pm PDT Sep 22, 2026
 
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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