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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.

Mist

55°F

13°C

Humidity 93%
Wind Speed W 3 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 53°F (12°C)
Visibility 4.00 mi
Last update 12 Jul 08:53 AM PDT
Extended Forecast for

Big Lagoon CA

  • Today

    Today: Mostly sunny, with a high near 61. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 49. North northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 61 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. North northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 48. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 61. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 49. North northwest wind 5 to 9 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 49. North northwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
Partly sunny, with a high near 61. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 48. North northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
Partly sunny, with a high near 59.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Mostly cloudy, with a high near 60.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Saturday
Patchy fog. Otherwise, mostly cloudy, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Big Lagoon CA
 41.17°N 124.13°W (Elev. 7 ft)
Last Update:
2:10 am PDT Jul 12, 2026
Forecast Valid:
9am PDT Jul 12, 2026-6pm PDT Jul 18, 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