Crestline Weather Forecast

    • 60
    • 79

    Mostly Sunny

    • 60
    • 77

    Mostly Sunny

    • 59
    • 74

    Mostly Sunny

    • 58
    • 74

    Mostly Sunny

    • 57
    • 74

    Sunny

    • 59
    • 76

    Mostly Sunny

    • 60
    • 78

    Sunny

Today 30 Jun San Bernardino County Mountains

Mostly sunny. Warmer. Highs 77 to 87 above 6000 feet to 84 to 94 below 6000 feet. Areas of Winds south 10 to 20 Mph. Gusts to 25 Mph. Becoming 30 Mph this afternoon.

Tonight 30 Jun San Bernardino County Mountains

Hazy this evening. Clear, cooler. Lows 46 to 56 above 6000 feet to 54 to 64 below 6000 feet. Areas of Winds south 10 to 15 Mph. Gusts to 30 Mph this evening.

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Crestline Temperature Statistics

June Temperature

San Bernardino Intl. Airport (10.6 miles)

  • Lowest 8 June, 2025

    55.9 °F

  • Average June

    69.1 °F

  • Highest 16 June, 2025

    100.4 °F

Climate (2020–Present)

San Bernardino Intl. Airport (10.6 miles)

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  • Average Low 2020–2025

    54.2 °F

  • Average 2020–2025

    63.3 °F

  • Average High 2020–2025

    80.6 °F
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