Arcata Bay Weather Forecast

    • 55
    • 62

    Cloudy

    • 54
    • 59

    Patchy Fog

    • 54
    • 59

    Areas Fog

    • 55
    • 59

    Areas Fog

    • 54
    • 58

    Areas Fog

    • 54
    • 59

    Mostly Cloudy

Today 16 Aug Northern Coastal Humboldt

Mostly cloudy. Patchy fog in the morning. Highs 62 to 77. Light Winds becoming northwest around 10 Mph in the afternoon.

Tonight 16 Aug Northern Coastal Humboldt

Cloudy. Patchy fog overnight. Lows 48 to 58. Northwest wind around 10 Mph shifting to the southwest overnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Arcata Bay Temperature Statistics

August Temperature

Arcata / Eureka, Arcata Airport (9.3 miles)

  • Lowest 3 August, 2026

    47.6 °F

  • Average August

    58.2 °F

  • Highest 1 August, 2026

    71.7 °F

Climate (2021–2026)

Arcata / Eureka, Arcata Airport (9.3 miles)

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

  • Average Low 2021–2026

    45.7 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    59.7 °F
Get WillyWeather+ to remove ads