Crestline Weather Forecast

    • 36
    • 43

    Increasing Clouds

    • 38
    • 40

    Rain Showers

    • 39
    • 41

    Chance Rain Showers

    • 42
    • 47

    Mostly Sunny

    • 43
    • 52

    Mostly Sunny

    • 44
    • 54

    Mostly Sunny

Today 19 Nov San Bernardino County Mountains

Partly cloudy. A slight chance of snow Showers this afternoon. Highs 32 to 42 above 6000 feet to 42 to 51 below 6000 feet. Light Winds. Chance of measurable precipitation 20 percent.

Tonight 19 Nov San Bernardino County Mountains

Partly cloudy. A slight chance of snow Showers in the evening. Lows 18 to 28 above 6000 feet to 28 to 38 below 6000 feet. Light Winds becoming west 10 Mph overnight. Chance of measurable precipitation 20 percent.

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Crestline Temperature Statistics

November Temperature

San Bernardino Intl. Airport (10.6 miles)

  • Lowest 4 November, 2025

    48.2 °F

  • Average November

    62.2 °F

  • Highest 10 November, 2025

    93.2 °F

Climate (2020–Present)

San Bernardino Intl. Airport (10.6 miles)

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  • Average Low 2020–2025

    54 °F

  • Average 2020–2025

    63 °F

  • Average High 2020–2025

    80.3 °F
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