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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Mist

61°F

16°C

Humidity 87%
Wind Speed NW 6 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 57°F (14°C)
Visibility 3.00 mi
Last update 17 Aug 10:05 AM PDT
Extended Forecast for

4 Miles ESE Arcata/Eureka Airport CA

  • Today

    Today: Mostly cloudy, with a high near 65. Calm wind becoming west around 6 mph in the afternoon.

    High: 65 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 50. West northwest wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 50. West northwest wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 67. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 67 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 50. Northwest wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 69.

    High: 69 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71.

    High: 71 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 65. Calm wind becoming west around 6 mph in the afternoon.
Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 50. West northwest wind around 5 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 50. West northwest wind around 6 mph becoming calm in the evening.
Tuesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 67. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 50. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 69.
Wednesday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 53.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Patchy fog. Otherwise, partly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Arcata/Eureka Airport CA
 40.96°N 124.04°W (Elev. 197 ft)
Last Update:
10:05 pm PDT Aug 16, 2025
Forecast Valid:
10am PDT Aug 17, 2025-6pm PDT Aug 23, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation