National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Eureka WFO (EKA01)

Lat: 40.8098°NLon: 124.1602°WElev: 20.0ft.

Fog

44°F

7°C

Humidity NA
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 0.25 mi
Last update NA
Extended Forecast for

Arcata CA

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between 1am and 4am. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog between 7am and 10am. Otherwise, partly sunny through mid morning, then becoming sunny, with a high near 65. Light and variable wind.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, sunny, with a high near 65. Calm wind.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 57. Light and variable wind.
Wednesday Night
Patchy fog between 1am and 4am. Otherwise, partly cloudy, with a low around 40. Calm wind.
Thursday
Patchy fog between 7am and 10am. Otherwise, partly sunny through mid morning, then becoming sunny, with a high near 65. Light and variable wind.
Thursday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 45. Calm wind.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 65. Calm wind.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
M.L.King Day
Mostly sunny, with a high near 59.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 42.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata CA
 40.87°N 124.07°W (Elev. 194 ft)
Last Update:
2:34 pm PST Jan 13, 2026
Forecast Valid:
7pm PST Jan 13, 2026-6pm PST Jan 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation