Sunday Peak Weather Forecast

    • 55
    • 66

    Sunny

    • 57
    • 68

    Sunny

    • 59
    • 67

    Partly Sunny

    • 55
    • 63

    Chance Rain

    • 54
    • 60

    Chance Rain Showers

    • 53
    • 58

    Chance Rain

Today 15 Sep South End of the Upper Sierra

Sunny. Highs 67 to 81. Southeast Winds up to 10 Mph shifting to the south in the afternoon.

Tonight 15 Sep South End of the Upper Sierra

Clear. Lows 46 to 60. West Winds up to 10 Mph shifting to the north after midnight. Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunday Peak Temperature Statistics

September Temperature

Porterville, Porterville Municipal Airport (31.7 miles)

  • Lowest 9 September, 2025

    57.9 °F

  • Average September

    77.7 °F

  • Highest 1 September, 2025

    102.9 °F

Climate (2020–Present)

Porterville, Porterville Municipal Airport (31.7 miles)

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  • Average Low 2020–2025

    51.4 °F

  • Average 2020–2025

    64.9 °F

  • Average High 2020–2025

    79.3 °F
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