Sequoia National Forest Weather Forecast

    • 54
    • 67

    Slight Chance Thunderstorms

    • 51
    • 67

    Mostly Sunny

    • 45
    • 63

    Sunny

    • 39
    • 57

    Sunny

    • 38
    • 55

    Sunny

    • 39
    • 57

    Sunny

Today 9 Sep South End of the Upper Sierra

Warmer, sunny. A 20 percent chance of Thunderstorms in the afternoon. Highs 72 to 88. East Winds up to 10 Mph shifting to the southwest in the afternoon. Gusts up to 25 Mph.

Tonight 9 Sep South End of the Upper Sierra

Mostly clear. Lows 53 to 67. Northwest Winds up to 10 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sequoia National Forest Temperature Statistics

September Temperature

Porterville, Porterville Municipal Airport (37.3 miles)

  • Lowest 2 September, 2026

    53.1 °F

  • Average September

    71.8 °F

  • Highest 7 September, 2026

    93.9 °F

Climate (2021–2026)

Porterville, Porterville Municipal Airport (37.3 miles)

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  • Average Low 2021–2026

    51.8 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    79 °F
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