Westhaven-Moonstone Weather Forecast

    • 49
    • 58

    Increasing Clouds

    • 48
    • 58

    Partly Sunny

    • 51
    • 60

    Slight Chance Rain Showers

    • 50
    • 59

    Mostly Cloudy

    • 53
    • 63

    Partly Sunny

    • 53
    • 61

    Mostly Cloudy

Today 23 May Northern Humboldt Coast

Mostly cloudy until early afternoon then becoming mostly sunny. Patchy fog in the morning. Highs 56 to 66. Northwest wind 5 to 15 Mph.

Tonight 23 May Northern Humboldt Coast

Mostly cloudy. Patchy fog overnight. Lows 42 to 52. Northwest wind around 10 Mph.

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Westhaven-Moonstone Temperature Statistics

May Temperature

Arcata / Eureka, Arcata Airport (3.7 miles)

  • Lowest 4 May, 2025

    36.6 °F

  • Average May

    52.2 °F

  • Highest 5 May, 2025

    73.7 °F

Climate (2020–Present)

Arcata / Eureka, Arcata Airport (3.7 miles)

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  • Average Low 2020–2025

    45.2 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    59.3 °F
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