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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

57°F

14°C

Humidity 87%
Wind Speed NW 9 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 03 Jul 04:30 PM PDT
Extended Forecast for

4 Miles S Big Lagoon CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. North wind 5 to 8 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Independence Day

    Independence Day: Cloudy, then gradually becoming mostly sunny, with a high near 60. Calm wind becoming north northwest 5 to 8 mph in the morning.

    High: 60 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50. North northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 50 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming west around 5 mph in the afternoon.

    High: 61 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 50. Northwest wind around 6 mph becoming light and variable in the evening.

    Low: 50 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 59. Calm wind becoming west around 6 mph in the afternoon.

    High: 59 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 57.

    High: 57 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. North wind 5 to 8 mph becoming calm in the evening.
Independence Day
Cloudy, then gradually becoming mostly sunny, with a high near 60. Calm wind becoming north northwest 5 to 8 mph in the morning.
Saturday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50. North northwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 50. Northwest wind around 6 mph becoming light and variable in the evening.
Monday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 59. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 49.
Tuesday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Big Lagoon CA
 41.12°N 124.15°W (Elev. 384 ft)
Last Update:
2:10 pm PDT Jul 3, 2026
Forecast Valid:
4pm PDT Jul 3, 2026-6pm PDT Jul 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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