Whitethorn Weather Forecast

    • 43
    • 60

    Mostly Cloudy

    • 38
    • 58

    Decreasing Clouds

    • 41
    • 62

    Mostly Sunny

    • 41
    • 64

    Mostly Sunny

    • 43
    • 65

    Mostly Sunny

    • 43
    • 64

    Mostly Sunny

    • 43
    • 62

    Partly Sunny

Today 31 Jan Southwestern Humboldt

Mostly cloudy. Highs 56 to 66. Southeast wind up to 10 Mph.

Tonight 31 Jan Southwestern Humboldt

Mostly cloudy. Chance of rain Showers overnight. Lows 42 to 52. Southeast wind up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Whitethorn Temperature Statistics

January Temperature

Fortuna Rohnerville Airport (37.9 miles)

  • Lowest 9 January, 2026

    32 °F

  • Average January

    46.6 °F

  • Highest 16 January, 2026

    64.4 °F

Climate (2021–Present)

Fortuna Rohnerville Airport (37.9 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    59.5 °F
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