Snow Summit Weather Forecast

    • 49
    • 76

    Slight Chance Thunderstorms

    • 48
    • 75

    Mostly Cloudy

    • 45
    • 68

    Rain Showers Likely

    • 44
    • 69

    Chance Rain Showers

    • 46
    • 72

    Slight Chance Thunderstorms

    • 47
    • 72

    Slight Chance Thunderstorms

Today 16 Sep San Bernardino County Mountains

Mostly sunny in the Morning, then partly cloudy with a slight chance of Showers and Thunderstorms in the afternoon. Highs 69 to 79 above 6000 feet to 80 to 88 below 6000 feet. Areas of Winds south 10 Mph. Chance of measurable precipitation 20 percent.

Tonight 16 Sep San Bernardino County Mountains

Partly cloudy. Lows 47 to 57 above 6000 feet to 57 to 67 below 6000 feet. Areas of Winds west overnight. Areas of Winds south 10 Mph in the evening. Near ridge Tops and along desert Slopes, light.

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Snow Summit Temperature Statistics

September Temperature

Big Bear City Airport (2.5 miles)

  • Lowest 12 September, 2025

    32 °F

  • Average September

    57.5 °F

  • Highest 1 September, 2025

    78.8 °F

Climate (2020–Present)

Big Bear City Airport (2.5 miles)

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  • Average Low 2020–2025

    34.1 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    60.1 °F
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