Blackrock Mountain Weather Forecast

    • 13
    • 29

    Snow Showers

    • 19
    • 35

    Mostly Sunny

    • 22
    • 42

    Mostly Sunny

    • 29
    • 48

    Mostly Sunny

    • 31
    • 54

    Mostly Sunny

    • 27
    • 52

    Mostly Sunny

    • 23
    • 41

    Slight Chance Snow

Today 14 Oct South End of the Upper Sierra

Rain Showers in the morning. Snow Showers and slight chance of Thunderstorms through the day. Rain in the afternoon. Snow may be heavy at Times early in the morning. Snow accumulation up to 15 Inches. Total snow accumulation up to 19 Inches. Snow level 6600 feet. Near steady temperature in the mid 30s. Southwest Winds 5 to 15 Mph. Gusts up to 35 Mph in the morning. Chance of precipitation near 100 percent.

Tonight 14 Oct South End of the Upper Sierra

Colder. Mostly cloudy with chance of snow and rain early in the Evening, then mostly cloudy with chance of snow late in the evening. Partly cloudy after midnight. Lows 17 to 33. West Winds up to 10 Mph with Gusts to around 25 Mph. Chance of precipitation 50 percent.

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Blackrock Mountain Temperature Statistics

October Temperature

Porterville, Porterville Municipal Airport (44.7 miles)

  • Lowest 12 October, 2025

    46 °F

  • Average October

    67 °F

  • Highest 7 October, 2025

    91 °F

Climate (2020–Present)

Porterville, Porterville Municipal Airport (44.7 miles)

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  • Average Low 2020–2025

    51.4 °F

  • Average 2020–2025

    64.9 °F

  • Average High 2020–2025

    79.2 °F
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