Crestline Weather Forecast

    • 58
    • 73

    Sunny

    • 56
    • 75

    Sunny

    • 54
    • 72

    Mostly Sunny

    • 55
    • 69

    Sunny

    • 55
    • 69

    Mostly Sunny

    • 52
    • 68

    Mostly Sunny

Today 29 Oct San Bernardino County Mountains

Sunny. Highs 63 to 73 above 6000 feet to 73 to 82 below 6000 feet. Areas of Winds east 10 Mph.

Tonight 29 Oct San Bernardino County Mountains

Mostly clear. Lows 40 to 50 above 6000 feet to 49 to 58 below 6000 feet. Areas of Winds north 10 Mph becoming west overnight. Near ridge Tops and along desert Slopes, Areas of Winds southwest 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crestline Temperature Statistics

October Temperature

San Bernardino Intl. Airport (10.6 miles)

  • Lowest 16 October, 2025

    46.4 °F

  • Average October

    64 °F

  • Highest 10 October, 2025

    95 °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

    80.2 °F
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