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 >

Hazardous Weather Conditions

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Clear

37°F

3°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 12 Jan 08:53 AM PST
Extended Forecast for

4 Miles SSW Arcata/Eureka Airport CA

  • Today

    Today: Patchy frost before 10am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 56 °F

    Patchy Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy frost after 4am. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost

  • Tuesday

    Tuesday: Patchy frost before 10am. Otherwise, mostly sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Wednesday

    Wednesday: Patchy frost before 10am. Otherwise, sunny, with a high near 58. North northwest wind 3 to 6 mph.

    High: 58 °F

    Patchy Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. East wind around 5 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

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

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Patchy frost before 10am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Patchy frost after 4am. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Tuesday
Patchy frost before 10am. Otherwise, mostly sunny, with a high near 58. Light and variable wind.
Tuesday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 35. Calm wind.
Wednesday
Patchy frost before 10am. Otherwise, sunny, with a high near 58. North northwest wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 40. East wind around 5 mph.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Arcata/Eureka Airport CA
 40.93°N 124.12°W (Elev. 3 ft)
Last Update:
1:10 am PST Jan 12, 2026
Forecast Valid:
9am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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