Headwaters Forest Reserve Weather Forecast

    • 40
    • 54

    Slight Chance Rain Showers

    • 45
    • 49

    Rain

    • 44
    • 52

    Rain

    • 42
    • 49

    Rain Likely

    • 41
    • 47

    Rain

    • 43
    • 48

    Rain

    • 41
    • 47

    Rain

Today 19 Dec Southern Humboldt Interior

Rain in the Morning, then chance of rain in the afternoon. Rain may be heavy at Times in the morning. Highs 47 to 59. At higher Elevation, southwest wind up to 25 Mph in the morning.

Tonight 19 Dec Southern Humboldt Interior

Cloudy. Slight chance of rain Showers in the evening. Patchy valley fog through the night. Snow level 3500 to 4000 feet. Lows 33 to 43.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Headwaters Forest Reserve Temperature Statistics

December Temperature

Fortuna Rohnerville Airport (6.2 miles)

  • Lowest 3 December, 2025

    37.4 °F

  • Average December

    49.5 °F

  • Highest 9 December, 2025

    62.6 °F

Climate (2020–Present)

Fortuna Rohnerville Airport (6.2 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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