Arcata Bay Weather Forecast

    • 46
    • 55

    Mostly Sunny

    • 48
    • 57

    Rain

    • 45
    • 55

    Chance Rain

    • 46
    • 56

    Partly Sunny

    • 47
    • 56

    Mostly Cloudy

    • 48
    • 57

    Chance Rain

    • 46
    • 54

    Chance Rain

Today 18 Nov Northern Humboldt Coast

Mostly sunny. Patchy fog in the morning. Highs 51 to 61. North wind 5 to 15 Mph.

Tonight 18 Nov Northern Humboldt Coast

Mostly clear. Patchy fog overnight. Lows 37 to 47. Northeast wind around 10 Mph shifting to the southeast overnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Arcata Bay Temperature Statistics

November Temperature

Arcata / Eureka, Arcata Airport (9.3 miles)

  • Lowest 8 November, 2025

    44.1 °F

  • Average November

    55.5 °F

  • Highest 1 November, 2025

    70 °F

Climate (2020–Present)

Arcata / Eureka, Arcata Airport (9.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    59.3 °F
Get WillyWeather+ to remove ads