Crystal Lake Weather Forecast

    • 37
    • 53

    Rain Showers

    • 34
    • 50

    Rain Showers

    • 34
    • 47

    Rain Showers

    • 32
    • 46

    Rain Showers

    • 31
    • 44

    Rain Showers

    • 26
    • 44

    Rain Showers Likely

Today 21 Dec Burney Basin / Eastern Shasta County

Rain Showers. Highs 46 to 54. Prevailing southwest Winds 10 to 20 Mph with Gusts to around 45 Mph.

Tonight 21 Dec Burney Basin / Eastern Shasta County

Rain Showers and a slight chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Lows 31 to 41. Prevailing southwest Winds 10 to 20 Mph with Gusts to around 45 Mph.

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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

    41.6 °F

  • Highest 13 December, 2025

    64 °F

Climate (2020–Present)

Mount Shasta (47.2 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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