Sequoia National Forest Weather Forecast

    • 47
    • 60

    Mostly Sunny

    • 45
    • 60

    Mostly Sunny

    • 42
    • 57

    Mostly Sunny

    • 41
    • 56

    Mostly Sunny

    • 36
    • 52

    Mostly Sunny

    • 37
    • 51

    Mostly Sunny

Today 23 Sep South End of the Upper Sierra

Warmer, sunny. Highs 66 to 80. Northeast Winds up to 10 Mph shifting to the southeast in the afternoon. Gusts up to 25 Mph.

Tonight 23 Sep South End of the Upper Sierra

Clear. Lows 45 to 61. Northeast Winds up to 10 Mph with Gusts to around 30 Mph.

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Sequoia National Forest Temperature Statistics

September Temperature

Porterville, Porterville Municipal Airport (37.3 miles)

  • Lowest 18 September, 2026

    52 °F

  • Average September

    74.4 °F

  • Highest 10 September, 2026

    105.1 °F

Climate (2021–2026)

Porterville, Porterville Municipal Airport (37.3 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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