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

57°F

14°C

Humidity 93%
Wind Speed N 3 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Sep 07:00 AM PDT
Extended Forecast for

3 Miles NNW Arcata/Eureka Airport CA

  • Today

    Today: Partly sunny, with a high near 62. Light north wind becoming northwest 5 to 10 mph in the afternoon.

    High: 62 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. North northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 54 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 61. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 61 °F

    Mostly Cloudy

  • Saturday Night

    Saturday 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

  • Sunday

    Sunday: Mostly cloudy, with a high near 61. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 61 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 54. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 54 °F

    Patchy Fog

  • Monday

    Monday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

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

    High: 63 °F

    Patchy Fog
    then Partly
    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 62. Light north wind becoming northwest 5 to 10 mph in the afternoon.
Tonight
Increasing clouds, with a low around 54. North northwest wind 5 to 9 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 61. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 54. North northwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 61. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Patchy fog after 11pm. Otherwise, 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 62.
Monday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Arcata/Eureka Airport CA
 41.02°N 124.12°W (Elev. 0 ft)
Last Update:
2:10 am PDT Sep 18, 2026
Forecast Valid:
7am PDT Sep 18, 2026-6pm PDT Sep 24, 2026
 
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Additional Resources

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