Crestline Weather Forecast

    • 62
    • 76

    Sunny

    • 69
    • 82

    Mostly Sunny

    • 66
    • 80

    Mostly Sunny

    • 62
    • 76

    Mostly Sunny

    • 58
    • 74

    Sunny

    • 54
    • 71

    Mostly Sunny

Today 22 Jun San Bernardino County Mountains

Sunny, warmer. Highs 74 to 84 above 6000 feet to 79 to 88 below 6000 feet. Areas of Winds south 10 to 20 Mph. Near ridge Tops and along desert Slopes, Areas of Winds southwest to 10 Mph. Becoming south 10 to 20 Mph this afternoon. Gusts to 25 Mph. Becoming 30 Mph this afternoon.

Tonight 22 Jun San Bernardino County Mountains

Mostly clear. Lows 51 to 61 above 6000 feet to 59 to 66 below 6000 feet. Areas of Winds south 10 to 20 Mph. Gusts to 30 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

    70.7 °F

  • Highest 12 June, 2026

    100.4 °F

Climate (2021–2026)

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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