Blackrock Mountain Weather Forecast

    • 23
    • 46

    Mostly Sunny

    • 16
    • 44

    Partly Sunny

    • 17
    • 37

    Mostly Sunny

    • 19
    • 36

    Breezy

    • 26
    • 38

    Breezy

    • 31
    • 50

    Sunny

    • 29
    • 51

    Mostly Sunny

Today 3 Mar South End of the Upper Sierra

Not as cool. Sunny. Highs 47 to 59. Northeast Winds up to 10 Mph shifting to the south in the afternoon. Gusts up to 30 Mph.

Tonight 3 Mar South End of the Upper Sierra

Mostly clear. Lows 27 to 41. Northwest Winds up to 10 Mph.

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Blackrock Mountain Temperature Statistics

March Temperature

Porterville, Porterville Municipal Airport (44.7 miles)

  • Lowest 1 March, 2026

    54 °F

  • Average March

    64 °F

  • Highest 1 March, 2026

    77 °F

Climate (2021–Present)

Porterville, Porterville Municipal Airport (44.7 miles)

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  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    79 °F
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