Westhaven-Moonstone Weather Forecast

    • 43
    • 55

    Partly Sunny

    • 48
    • 55

    Mostly Cloudy

    • 47
    • 55

    Partly Sunny

    • 46
    • 53

    Partly Sunny

    • 45
    • 55

    Partly Sunny

    • 47
    • 56

    Slight Chance Rain

Today 19 Jan Northern Humboldt Coast

Mostly cloudy early in the morning then becoming partly cloudy. Patchy fog and frost in the morning. Highs 53 to 63. Northwest wind around 5 Mph.

Tonight 19 Jan Northern Humboldt Coast

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows 35 to 45. Northwest wind around 5 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Westhaven-Moonstone Temperature Statistics

January Temperature

Arcata / Eureka, Arcata Airport (3.7 miles)

  • Lowest 9 January, 2026

    33.1 °F

  • Average January

    46.8 °F

  • Highest 2 January, 2026

    64 °F

Climate (2021–Present)

Arcata / Eureka, Arcata Airport (3.7 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    59.3 °F
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