Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Clear

57°F

14°C

Humidity 87%
Wind Speed NNW 8 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 Aug 08:00 PM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Tonight

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

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 64. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 64 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 62. Light north wind becoming northwest 5 to 10 mph in the afternoon.

    High: 62 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53. North northwest wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 62. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 62 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 61.

    High: 61 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. Light north northeast wind.
Wednesday
Mostly cloudy, with a high near 64. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 55. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 62. Light north wind becoming northwest 5 to 10 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 53. North northwest wind 5 to 10 mph becoming light and variable in the evening.
Friday
Mostly cloudy, with a high near 62. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Friday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 53.
Saturday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 60.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Monday
Patchy fog. Otherwise, mostly cloudy, with a high near 59.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 51.
Tuesday
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.99°N 124.11°W (Elev. 39 ft)
2:10 pm PDT Aug 25, 2026
8pm PDT Aug 25, 2026-6pm PDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database