Blackrock Mountain Weather Forecast

    • 16
    • 33

    Becoming Sunny

    • 22
    • 41

    Partly Sunny

    • 26
    • 45

    Partly Sunny

    • 29
    • 44

    Slight Chance Rain/Snow

    • 27
    • 44

    Slight Chance Rain/Snow

    • 29
    • 49

    Partly Sunny

Today 21 Feb South End of the Upper Sierra

Not as cold. Sunny. Highs 33 to 43. East Winds 5 to 10 Mph shifting to the south in the afternoon. Gusts up to 35 Mph.

Tonight 21 Feb South End of the Upper Sierra

Mostly clear. Lows 19 to 33. North Winds up to 10 Mph with Gusts to around 30 Mph.

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Blackrock Mountain Temperature Statistics

February Temperature

Porterville, Porterville Municipal Airport (44.7 miles)

  • Lowest 12 February, 2026

    37 °F

  • Average February

    51.9 °F

  • Highest 6 February, 2026

    73 °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

    64.9 °F

  • Average High 2021–2026

    79 °F
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