Crestline Weather Forecast

    • 42
    • 56

    Sunny

    • 38
    • 51

    Mostly Sunny

    • 38
    • 50

    Breezy

    • 39
    • 50

    Partly Sunny

    • 36
    • 43

    Chance Rain Showers

    • 36
    • 42

    Mostly Sunny

    • 39
    • 47

    Mostly Sunny

Today 29 Nov San Bernardino County Mountains

Partly cloudy. Highs 49 to 58 above 6000 feet to 56 to 65 below 6000 feet. Areas of Winds north to 10 Mph this morning becoming light.

Tonight 29 Nov San Bernardino County Mountains

Clear. Lows 29 to 39 above 6000 feet to 38 to 46 below 6000 feet. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 30 Mph overnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Crestline Temperature Statistics

November Temperature

San Bernardino Intl. Airport (10.6 miles)

  • Lowest 19 November, 2025

    42.8 °F

  • Average November

    59.5 °F

  • Highest 10 November, 2025

    93.2 °F

Climate (2020–Present)

San Bernardino Intl. Airport (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    54 °F

  • Average 2020–2025

    63 °F

  • Average High 2020–2025

    80.2 °F
Get WillyWeather+ to remove ads