Crestline Weather Forecast

    • 66
    • 78

    Mostly Sunny

    • 64
    • 75

    Sunny

    • 64
    • 76

    Sunny

    • 65
    • 78

    Sunny

    • 65
    • 80

    Mostly Sunny

    • 61
    • 76

    Mostly Sunny

    • 56
    • 71

    Mostly Sunny

Today 12 Jun San Bernardino County Mountains

Mostly sunny this morning. Becoming partly cloudy. Highs 73 to 83 above 6000 feet to 82 to 91 below 6000 feet. Areas of Winds south to 10 Mph. Becoming 10 to 20 Mph with Gusts to 35 Mph this afternoon.

Tonight 12 Jun San Bernardino County Mountains

Mostly clear. Lows 50 to 60 above 6000 feet to 58 to 68 below 6000 feet. Areas of Winds west 10 to 20 Mph. Gusts to 35 Mph. Becoming 25 Mph overnight.

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Crestline Temperature Statistics

June Temperature

San Bernardino Intl. Airport (10.6 miles)

  • Lowest 3 June, 2026

    56.5 °F

  • Average June

    68.6 °F

  • Highest 10 June, 2026

    96.8 °F

Climate (2021–Present)

San Bernardino Intl. Airport (10.6 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    63.3 °F

  • Average High 2021–2026

    80.5 °F
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