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

36°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 12 Jan 04:35 AM PST
Extended Forecast for

3 Miles SSW Big Lagoon CA

  • Today

    Today: Mostly sunny, with a high near 52. North wind 5 to 8 mph.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. North wind 5 to 8 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. Light north northeast wind.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 55. North wind around 7 mph.

    High: 55 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 43. Northeast wind around 7 mph.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 52. North wind 5 to 8 mph.
Tonight
Partly cloudy, with a low around 40. North wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 53. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 39. Light north northeast wind.
Wednesday
Sunny, with a high near 55. North wind around 7 mph.
Wednesday Night
Clear, with a low around 43. Northeast wind around 7 mph.
Thursday
Sunny, with a high near 58.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Big Lagoon CA
 41.14°N 124.15°W (Elev. 0 ft)
Last Update:
1:10 am PST Jan 12, 2026
Forecast Valid:
4am PST Jan 12, 2026-6pm PST Jan 18, 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