Cooskie Mountain Weather Forecast

    • 41
    • 53

    Rain

    • 44
    • 49

    Rain Showers

    • 44
    • 53

    Rain

    • 41
    • 51

    Rain Likely

    • 39
    • 49

    Rain Likely

    • 43
    • 50

    Rain

Today 19 Dec Southwestern Humboldt

Rain in the Morning, then chance of rain in the afternoon. Rain may be heavy at Times in the morning. Highs 51 to 61. In the Valleys, southwest wind 5 to 15 Mph shifting to the west around 15 Mph in the afternoon. At higher Elevation, southwest wind 15 to 25 Mph becoming west 5 to 15 Mph in the afternoon.

Tonight 19 Dec Southwestern Humboldt

Mostly cloudy. Patchy fog overnight. Slight chance of rain overnight. Lows 37 to 47. North wind around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cooskie Mountain Temperature Statistics

December Temperature

Fortuna Rohnerville Airport (21.1 miles)

  • Lowest 3 December, 2025

    37.4 °F
  • Average December

    49.3 °F
  • Highest 9 December, 2025

    62.6 °F

Climate (2020–Present)

Fortuna Rohnerville Airport (21.1 miles)

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  • Average Low 2020–2025

    45.1 °F
  • Average 2020–2025

    51.2 °F
  • Average High 2020–2025

    59.5 °F
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