Crystal Lake Weather Forecast

    • 30
    • 49

    Increasing Clouds

    • 29
    • 54

    Decreasing Clouds

    • 31
    • 56

    Partly Sunny

    • 35
    • 58

    Mostly Cloudy

    • 35
    • 59

    Partly Sunny

    • 31
    • 60

    Mostly Sunny

    • 31
    • 60

    Mostly Sunny

Today 6 Dec Burney Basin / Eastern Shasta County

Mostly cloudy in the morning then clearing. Patchy frost in the morning. Highs 47 to 54. Light Winds.

Tonight 6 Dec Burney Basin / Eastern Shasta County

Mostly clear. Lows 27 to 38. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

December Temperature

Mount Shasta (47.2 miles)

  • Lowest 1 December, 2025

    27 °F

  • Average December

    37.7 °F

  • Highest 1 December, 2025

    51.1 °F

Climate (2020–Present)

Mount Shasta (47.2 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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