Arcata Bay Weather Forecast

    • 47
    • 56

    Slight Chance Rain

    • 50
    • 60

    Mostly Cloudy

    • 51
    • 64

    Partly Sunny

    • 51
    • 64

    Partly Sunny

    • 53
    • 65

    Mostly Cloudy

    • 55
    • 65

    Mostly Cloudy

    • 55
    • 66

    Mostly Cloudy

Today 14 Mar Northern Humboldt Coast

Cloudy. Chance of rain in the Morning, then slight chance of rain in the afternoon. Highs 52 to 62. Light Winds becoming northwest around 10 Mph in the afternoon.

Tonight 14 Mar Northern Humboldt Coast

Mostly cloudy early in the evening then becoming partly cloudy. Patchy fog. Lows 38 to 48. Northwest wind around 10 Mph shifting to the east overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arcata Bay Temperature Statistics

March Temperature

Arcata / Eureka, Arcata Airport (9.3 miles)

  • Lowest 11 March, 2026

    35.1 °F

  • Average March

    49.9 °F

  • Highest 2 March, 2026

    58.6 °F

Climate (2021–Present)

Arcata / Eureka, Arcata Airport (9.3 miles)

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    59.4 °F
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