Running Springs Weather Forecast

    • 49
    • 63

    Mostly Sunny

    • 49
    • 61

    Partly Sunny

    • 46
    • 61

    Mostly Sunny

    • 47
    • 61

    Mostly Sunny

    • 47
    • 62

    Partly Sunny

    • 45
    • 57

    Partly Sunny

Today 12 Dec San Bernardino County Mountains

Mostly sunny. Highs 58 to 67 above 6000 feet to 65 to 74 below 6000 feet. Areas of Winds east to 10 Mph becoming north this afternoon.

Tonight 12 Dec San Bernardino County Mountains

Partly cloudy in the evening. Becoming mostly clear. Colder. Lows 34 to 44 above 6000 feet to 45 to 53 below 6000 feet. Light Winds.

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Running Springs Temperature Statistics

December Temperature

San Bernardino Intl. Airport (11.2 miles)

  • Lowest 4 December, 2025

    40.3 °F

  • Average December

    56.2 °F

  • Highest 10 December, 2025

    87.8 °F

Climate (2020–Present)

San Bernardino Intl. Airport (11.2 miles)

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  • Average Low 2020–2025

    54 °F

  • Average 2020–2025

    63 °F

  • Average High 2020–2025

    80.2 °F
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