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Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Clear

45°F

7°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 13 Jan 09:53 AM PST
Extended Forecast for

Arcata/Eureka Airport CA

  • Today

    Today: Patchy fog after 4pm. Otherwise, mostly sunny, with a high near 56. Calm wind.

    High: 56 °F

    Sunny then
    Patchy Fog

  • Tonight

    Tonight: Patchy fog before 7pm. Patchy frost after 4am. Otherwise, partly cloudy, with a low around 37. Light northeast wind.

    Low: 37 °F

    Patchy Fog
    then Patchy
    Frost

  • Wednesday

    Wednesday: Patchy frost before 7am. Otherwise, sunny, with a high near 58. Northeast wind around 6 mph becoming north northwest in the afternoon.

    High: 58 °F

    Patchy Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39. East wind around 6 mph.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 62. East wind around 6 mph becoming calm in the afternoon.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Calm wind becoming east around 5 mph after midnight.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
Patchy fog after 4pm. Otherwise, mostly sunny, with a high near 56. Calm wind.
Tonight
Patchy fog before 7pm. Patchy frost after 4am. Otherwise, partly cloudy, with a low around 37. Light northeast wind.
Wednesday
Patchy frost before 7am. Otherwise, sunny, with a high near 58. Northeast wind around 6 mph becoming north northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 39. East wind around 6 mph.
Thursday
Sunny, with a high near 62. East wind around 6 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 43. Calm wind becoming east around 5 mph after midnight.
Friday
Sunny, with a high near 63.
Friday Night
Clear, with a low around 42.
Saturday
Sunny, with a high near 61.
Saturday Night
Patchy fog before 10pm. Otherwise, mostly clear, with a low around 42.
Sunday
Sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 41.
M.L.King Day
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.97°N 124.1°W (Elev. 197 ft)
Last Update:
1:10 am PST Jan 13, 2026
Forecast Valid:
10am PST Jan 13, 2026-6pm PST Jan 19, 2026
 
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Additional Resources

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Chance of Precipitation