Posey Weather Forecast

    • 58
    • 75

    Slight Chance Rain

    • 63
    • 80

    Sunny

    • 66
    • 83

    Partly Sunny

    • 69
    • 87

    Mostly Sunny

    • 67
    • 87

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

    • 59
    • 78

    Mostly Sunny

Today 6 Sep South End of the Lower Sierra

Mostly sunny. A 20 percent chance of rain in the late morning and afternoon. Highs 72 to 80. South Winds up to 5 Mph shifting to the west in the afternoon.

Tonight 6 Sep South End of the Lower Sierra

Mostly clear. Lows 57 to 63. North Winds up to 5 Mph shifting to the east after midnight. Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Posey Temperature Statistics

September Temperature

Porterville, Porterville Municipal Airport (26.1 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 (26.1 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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