Crestline Weather Forecast

    • 52
    • 69

    Mostly Sunny

    • 45
    • 65

    Mostly Sunny

    • 41
    • 55

    Mostly Sunny

    • 44
    • 58

    Mostly Sunny

    • 43
    • 60

    Mostly Sunny

    • 41
    • 54

    Mostly Sunny

Today 28 Feb San Bernardino County Mountains

Partly cloudy in the morning. Becoming mostly sunny. Highs 62 to 72 above 6000 feet to 70 to 79 below 6000 feet. Areas of Winds west 10 to 20 Mph. Gusts to 30 Mph. Becoming 35 Mph in the afternoon.

Tonight 28 Feb San Bernardino County Mountains

Mostly clear. Lows 38 to 48 above 6000 feet to 46 to 56 below 6000 feet. Areas of Winds west 10 to 20 Mph with Gusts to 30 Mph.

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Crestline Temperature Statistics

February Temperature

San Bernardino Intl. Airport (10.6 miles)

  • Lowest 21 February, 2026

    34.7 °F

  • Average February

    56.2 °F

  • Highest 4 February, 2026

    86 °F

Climate (2021–Present)

San Bernardino Intl. Airport (10.6 miles)

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  • Average Low 2021–2026

    54.1 °F

  • Average 2021–2026

    63.1 °F

  • Average High 2021–2026

    80.3 °F
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