Shasta National Forest Weather Forecast

    • 41
    • 55

    Mostly Sunny

    • 39
    • 56

    Mostly Sunny

    • 39
    • 56

    Mostly Sunny

    • 39
    • 57

    Mostly Sunny

    • 36
    • 54

    Mostly Sunny

    • 38
    • 48

    Chance Rain Showers

Today 9 Dec Shasta Lake Area / Northern Shasta County

Mostly sunny. At higher Elevations, Areas of fog early in the morning. Haze in the morning. At lower Elevations, widespread fog early in the morning. Haze until late afternoon. Areas of fog late in the morning. Highs 52 to 64. Light Winds.

Tonight 9 Dec Shasta Lake Area / Northern Shasta County

Mostly clear. Lows 37 to 52. Prevailing north Winds up to 10 Mph.

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Shasta National Forest Temperature Statistics

December Temperature

Mount Shasta (19.3 miles)

  • Lowest 1 December, 2025

    27 °F

  • Average December

    40.2 °F

  • Highest 6 December, 2025

    57 °F

Climate (2020–Present)

Mount Shasta (19.3 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    65.5 °F
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