October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Fog

54°F

12°C

Humidity 100%
Wind Speed WSW 4 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 54°F (12°C)
Visibility 0.24 mi
Last update 05 Oct 05:05 PM PDT
Extended Forecast for

2 Miles ENE Arcata/Eureka Airport CA

  • Tonight

    Tonight: Patchy fog between 8pm and 2am.  Otherwise, mostly cloudy, with a low around 53. Light and variable wind.

    Low: 53 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 67. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 67 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. Light and variable wind.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. Light and variable wind.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. Light and variable wind.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Friday Night

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

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog between 8pm and 2am. Otherwise, mostly cloudy, with a low around 53. Light and variable wind.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 67. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 53. Light and variable wind.
Wednesday
Mostly sunny, with a high near 68. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 56. Light and variable wind.
Thursday
Mostly sunny, with a high near 69. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 62. Windy.
Saturday Night
Mostly clear, with a low around 49. Windy.
Sunday
Sunny, with a high near 61. Breezy.
Sunday Night
Mostly clear, with a low around 48. Breezy.
Columbus Day
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Arcata/Eureka Airport CA
 40.97°N 124.1°W (Elev. 197 ft)
2:10 pm PDT Oct 5, 2026
5pm PDT Oct 5, 2026-6pm PDT Oct 12, 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