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Check Water Temperatures Before Your River Visit

Water temperatures below 70 degrees causes you to lose breathing & muscle control which can lead to drowning. The colder the water the more extreme the impacts. Enjoy the river by staying dry when water is cold. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Mostly Cloudy

52°F

11°C

Humidity 86%
Wind Speed N 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 48°F (9°C)
Visibility 9.00 mi
Last update 30 Jun 10:53 PM PDT
Extended Forecast for

3 Miles SSW Big Lagoon CA

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Breezy, with a north wind 15 to 17 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Breezy, with a north wind 13 to 21 mph, with gusts as high as 26 mph.

    High: 57 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. Breezy, with a north wind 15 to 20 mph decreasing to 8 to 13 mph after midnight.

    Low: 49 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 57. North northwest wind 5 to 11 mph.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 49. North northwest wind 5 to 10 mph becoming light in the evening.

    Low: 49 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 57. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 57 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Independence Day

    Independence Day: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. Breezy, with a north wind 15 to 17 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 57. Breezy, with a north wind 13 to 21 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly cloudy, with a low around 49. Breezy, with a north wind 15 to 20 mph decreasing to 8 to 13 mph after midnight.
Thursday
Partly sunny, with a high near 57. North northwest wind 5 to 11 mph.
Thursday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 49. North northwest wind 5 to 10 mph becoming light in the evening.
Friday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 57. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 51.
Independence Day
Mostly cloudy, with a high near 57.
Saturday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 50.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 57.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 50.
Monday
Patchy fog. Otherwise, mostly cloudy, with a high near 56.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Mostly cloudy, with a high near 57.
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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:
2:10 pm PDT Jun 30, 2026
Forecast Valid:
11pm PDT Jun 30, 2026-6pm PDT Jul 7, 2026
 
Forecast Discussion
 
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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