White River Weather Forecast

    • 61
    • 86

    Sunny

    • 60
    • 84

    Mostly Sunny

    • 63
    • 86

    Mostly Sunny

    • 67
    • 89

    Slight Chance Rain

    • 69
    • 92

    Partly Sunny

    • 67
    • 92

    Mostly Sunny

Today 5 Sep South End Sierra Foothills

Sunny. Highs in the mid 80s. South Winds up to 5 Mph shifting to the west in the afternoon.

Tonight 5 Sep South End Sierra Foothills

Clear. Lows in the lower 60s. North Winds up to 5 Mph shifting to the east after midnight.

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White River Temperature Statistics

September Temperature

Porterville, Porterville Municipal Airport (19.3 miles)

  • Lowest 2 September, 2026

    53.1 °F

  • Average September

    69.6 °F

  • Highest 3 September, 2026

    86 °F

Climate (2021–2026)

Porterville, Porterville Municipal Airport (19.3 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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