Blackrock Mountain Weather Forecast

    • 46
    • 73

    Sunny

    • 46
    • 74

    Mostly Sunny

    • 44
    • 73

    Sunny

    • 39
    • 68

    Sunny

    • 40
    • 66

    Sunny

    • 42
    • 68

    Sunny

Today 16 Jun South End of the Upper Sierra

Sunny. Highs 73 to 87. Southeast Winds up to 5 Mph increasing to southwest 10 to 15 Mph in the afternoon. Gusts up to 30 Mph.

Tonight 16 Jun South End of the Upper Sierra

Clear. Lows 50 to 64. Northwest Winds up to 10 Mph with Gusts to around 30 Mph.

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Blackrock Mountain Temperature Statistics

June Temperature

Porterville, Porterville Municipal Airport (44.7 miles)

  • Lowest 7 June, 2026

    54 °F

  • Average June

    79.1 °F

  • Highest 12 June, 2026

    102 °F

Climate (2021–Present)

Porterville, Porterville Municipal Airport (44.7 miles)

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  • Average Low 2021–2026

    51.9 °F

  • Average 2021–2026

    65.1 °F

  • Average High 2021–2026

    79.2 °F
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