Crystal Lake Weather Forecast

    • 42
    • 81

    Increasing Clouds

    • 40
    • 76

    Slight Chance Rain

    • 40
    • 73

    Mostly Sunny

    • 44
    • 82

    Sunny

    • 45
    • 87

    Mostly Sunny

    • 45
    • 87

    Mostly Sunny

    • 44
    • 86

    Mostly Sunny

Today 15 Sep Burney Basin

Sunny. Highs 71 to 81. Light Winds becoming west up to 10 Mph with Gusts to around 20 Mph in the afternoon.

Tonight 15 Sep Burney Basin

Mostly clear. A slight chance of rain late in the night. Lows 39 to 47. Southwest Winds up to 10 Mph in the evening becoming light. Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

September Temperature

Mount Shasta (47.2 miles)

  • Lowest 4 September, 2026

    33.7 °F

  • Average September

    58.1 °F

  • Highest 9 September, 2026

    90.6 °F

Climate (2021–2026)

Mount Shasta (47.2 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    65.7 °F
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