Trinity National Forest Weather Forecast

    • 40
    • 45

    Rain

    • 34
    • 48

    Rain

    • 36
    • 43

    Rain Likely

    • 34
    • 42

    Rain

    • 37
    • 42

    Rain

    • 36
    • 42

    Rain

    • 32
    • 42

    Rain Likely

Today 20 Dec Northern Trinity

Mostly cloudy. Patchy valley fog in the morning. Chance of rain and snow in the afternoon. Snow level 5000 feet in the afternoon. Highs 39 to 54.

Tonight 20 Dec Northern Trinity

Snow in the evening. Rain through the night. Snow may be heavy at Times in the evening. Snow Accumulations of 1 to 3 Inches. Lows 33 to 43. Southeast wind around 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Trinity National Forest Temperature Statistics

December Temperature

Mount Shasta (52.2 miles)

  • Lowest 1 December, 2025

    27 °F

  • Average December

    41.4 °F

  • Highest 13 December, 2025

    64 °F

Climate (2020–Present)

Mount Shasta (52.2 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    65.6 °F
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