Crestline Park Weather Forecast

    • 68
    • 82

    Mostly Sunny

    • 68
    • 81

    Mostly Sunny

    • 67
    • 81

    Sunny

    • 69
    • 84

    Sunny

    • 73
    • 89

    Mostly Sunny

    • 74
    • 92

    Mostly Sunny

    • 73
    • 92

    Sunny

Today 27 Jul San Bernardino County Mountains

Mostly sunny. Highs 78 to 88 above 6000 feet to 85 to 95 below 6000 feet. Areas of Winds south 10 to 20 Mph. Gusts to 25 Mph this afternoon.

Tonight 27 Jul San Bernardino County Mountains

Mostly clear. Lows 55 to 65 above 6000 feet to 63 to 70 below 6000 feet. Areas of Winds south 10 to 15 Mph. Gusts to 30 Mph this evening.

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Crestline Park Temperature Statistics

July Temperature

San Bernardino Intl. Airport (10.6 miles)

  • Lowest 3 July, 2026

    58.1 °F

  • Average July

    77.7 °F

  • Highest 15 July, 2026

    104 °F

Climate (2021–2026)

San Bernardino Intl. Airport (10.6 miles)

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  • Average Low 2021–2026

    54.2 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    80.3 °F
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