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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.

Overcast

59°F

15°C

Humidity 77%
Wind Speed NW 14 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Jun 04:15 PM PDT
Extended Forecast for

Big Lagoon CA

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 48. North northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 48 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 61 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 50. Northwest wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 65. Light northwest wind.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 63.

    High: 63 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 48. North northwest wind 5 to 9 mph becoming calm after midnight.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Sunday Night
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 50. Northwest wind around 6 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 65. Light northwest wind.
Monday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52. Light and variable wind.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 64. Light and variable wind.
Tuesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 63.
Wednesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Mostly cloudy, with a high near 60.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Big Lagoon CA
 41.17°N 124.13°W (Elev. 7 ft)
Last Update:
2:10 pm PDT Jun 20, 2026
Forecast Valid:
4pm PDT Jun 20, 2026-6pm PDT Jun 27, 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