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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

haze

52°F

11°C

Humidity 76%
Wind Speed NW 4 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Last update 12 Jan 04:20 PM PST
Extended Forecast for

5 Miles E Arcata/Eureka Airport CA

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. Calm wind.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60. Calm wind.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 46. Calm wind becoming east around 5 mph after midnight.

    Low: 46 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64. East wind around 5 mph becoming calm in the afternoon.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

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

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 61. Calm wind.
Tuesday Night
Mostly clear, with a low around 43. Calm wind.
Wednesday
Sunny, with a high near 60. Calm wind.
Wednesday Night
Clear, with a low around 46. Calm wind becoming east around 5 mph after midnight.
Thursday
Sunny, with a high near 64. East wind around 5 mph becoming calm in the afternoon.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 44.
M.L.King Day
Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Arcata/Eureka Airport CA
 40.99°N 124.02°W (Elev. 797 ft)
Last Update:
1:10 pm PST Jan 12, 2026
Forecast Valid:
4pm PST Jan 12, 2026-6pm PST Jan 19, 2026
 
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