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

Eureka WFO (EKA01)

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

Clear

52°F

11°C

Humidity NA
Wind Speed NNW 10 MPH
Barometer NA
Dewpoint N/A
Visibility 7.00 mi
Last update NA
Extended Forecast for

Arcata CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 56. Light north northwest wind.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Patchy frost before 10am. Otherwise, mostly sunny, with a high near 60. Calm wind.

    High: 60 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 1am. Patchy frost after 4am. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog
    then Patchy
    Frost and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy frost before 10am. Otherwise, sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Patchy Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. Light east wind.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    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 65.

    High: 65 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 56. Light north northwest wind.
Tonight
Partly cloudy, with a low around 36. Calm wind.
Tuesday
Patchy frost before 10am. Otherwise, mostly sunny, with a high near 60. Calm wind.
Tuesday Night
Patchy fog before 1am. Patchy frost after 4am. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Wednesday
Patchy frost before 10am. Otherwise, sunny, with a high near 60. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 40. Light east wind.
Thursday
Sunny, with a high near 64.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arcata CA
 40.87°N 124.07°W (Elev. 194 ft)
Last Update:
1:10 pm PST Jan 12, 2026
Forecast Valid:
2pm PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

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Chance of Precipitation