Big Lagoon Weather Forecast

    • 44
    • 53

    Rain

    • 40
    • 52

    Rain Showers

    • 38
    • 51

    Rain Showers

    • 43
    • 58

    Mostly Sunny

    • 47
    • 62

    Partly Sunny

    • 47
    • 61

    Partly Sunny

Today 31 Mar Northern Humboldt Coast

Mostly cloudy. Patchy fog in the morning. Scattered rain Showers through the day. Highs 52 to 62. Light Winds becoming west around 5 Mph in the afternoon.

Tonight 31 Mar Northern Humboldt Coast

Mostly cloudy. Scattered rain Showers in the Evening, then rain likely overnight. Lows 41 to 51. Southwest wind around 5 Mph shifting to the southeast overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Lagoon Temperature Statistics

March Temperature

Arcata / Eureka, Arcata Airport (12.4 miles)

  • Lowest 11 March, 2026

    35.7 °F

  • Average March

    51 °F

  • Highest 24 March, 2026

    67.6 °F

Climate (2021–Present)

Arcata / Eureka, Arcata Airport (12.4 miles)

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    59.5 °F
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