Amphitheater Lake Weather Forecast

    • 39
    • 48

    Mostly Sunny

    • 43
    • 54

    Sunny

    • 47
    • 56

    Chance Rain

    • 50
    • 59

    Chance Rain

    • 49
    • 60

    Chance Rain

    • 45
    • 59

    Slight Chance Thunderstorms

    • 44
    • 55

    Mostly Sunny

Today 6 Sep Sequoia NP

Sunny. A 20 percent chance of rain in the late morning and afternoon. Highs 49 to 67. Southwest Winds 5 to 15 Mph with Gusts to around 40 Mph.

Tonight 6 Sep Sequoia NP

Colder, clear. Lows 32 to 50. West Winds up to 10 Mph with Gusts to around 25 Mph shifting to the northwest after midnight.

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Amphitheater Lake Temperature Statistics

September Temperature

Porterville, Porterville Municipal Airport (40.4 miles)

  • Lowest 2 September, 2026

    53.1 °F

  • Average September

    70 °F

  • Highest 3 September, 2026

    86 °F

Climate (2021–2026)

Porterville, Porterville Municipal Airport (40.4 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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