North Trinity Mountain Weather Forecast

    • 26
    • 32

    Increasing Clouds

    • 33
    • 41

    Mostly Sunny

    • 37
    • 48

    Mostly Sunny

    • 38
    • 49

    Mostly Sunny

    • 36
    • 48

    Partly Sunny

    • 34
    • 40

    Snow Likely

Today 27 Dec Northern Humboldt Interior

Sunny. Highs 37 to 52.

Tonight 27 Dec Northern Humboldt Interior

Partly cloudy in the evening then becoming mostly cloudy. Lows 27 to 37.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

North Trinity Mountain Temperature Statistics

December Temperature

Arcata / Eureka, Arcata Airport (33.6 miles)

  • Lowest 1 December, 2025

    37 °F

  • Average December

    49.5 °F

  • Highest 16 December, 2025

    61 °F

Climate (2020–Present)

Arcata / Eureka, Arcata Airport (33.6 miles)

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

  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    59.3 °F
Get WillyWeather+ to remove ads