Crestline Weather Forecast

    • 56
    • 74

    Sunny

    • 52
    • 73

    Sunny

    • 55
    • 73

    Mostly Sunny

    • 57
    • 75

    Partly Sunny

    • 56
    • 74

    Partly Sunny

    • 53
    • 73

    Partly Sunny

Today 24 Mar San Bernardino County Mountains

Sunny. Highs 68 to 76 above 6000 feet to 75 to 83 below 6000 feet. Areas of Winds south to 10 Mph. Becoming 10 to 15 Mph with Gusts to 30 Mph this afternoon.

Tonight 24 Mar San Bernardino County Mountains

Clear, Colder. Lows 40 to 50 above 6000 feet to 51 to 61 below 6000 feet. Areas of Winds south 10 to 15 Mph. Gusts to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crestline Temperature Statistics

March Temperature

San Bernardino Intl. Airport (10.6 miles)

  • Lowest 6 March, 2026

    44.1 °F

  • Average March

    65.7 °F

  • Highest 19 March, 2026

    102.2 °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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