Crestline Weather Forecast

    • 45
    • 61

    Mostly Sunny

    • 42
    • 58

    Partly Sunny

    • 40
    • 46

    Rain Showers Likely

    • 40
    • 46

    Partly Sunny

    • 41
    • 53

    Partly Sunny

    • 43
    • 55

    Slight Chance Rain Showers

Today 23 Apr San Bernardino County Mountains

Mostly sunny. Warmer. Highs 53 to 61 above 6000 feet to 61 to 70 below 6000 feet. Areas of Winds north 10 to 20 Mph. Gusts to 35 Mph. Becoming 25 Mph this afternoon.

Tonight 23 Apr San Bernardino County Mountains

Mostly clear. Lows 30 to 40 above 6000 feet to 38 to 48 below 6000 feet. Areas of Winds west 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crestline Temperature Statistics

April Temperature

San Bernardino Intl. Airport (10.6 miles)

  • Lowest 4 April, 2026

    48.2 °F

  • Average April

    63 °F

  • Highest 5 April, 2026

    89.6 °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

    80.6 °F
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