Quality Weather Forecast

    • 58
    • 90

    Sunny

    • 55
    • 88

    Sunny

    • 56
    • 86

    Sunny

    • 57
    • 87

    Sunny

    • 61
    • 91

    Mostly Sunny

    • 59
    • 91

    Partly Sunny

    • 59
    • 91

    Sunny

Today 15 Sep Southeast San Joaquin Valley

Sunny. Highs in the lower 90s.

Tonight 15 Sep Southeast San Joaquin Valley

Clear. Lows around 60. Northwest Winds up to 10 Mph shifting to the southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Quality Temperature Statistics

September Temperature

Porterville, Porterville Municipal Airport (17.4 miles)

  • Lowest 2 September, 2026

    53.1 °F

  • Average September

    76.2 °F

  • Highest 10 September, 2026

    105.1 °F

Climate (2021–2026)

Porterville, Porterville Municipal Airport (17.4 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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