Posey Weather Forecast

    • 47
    • 66

    Decreasing Clouds

    • 47
    • 65

    Becoming Sunny

    • 46
    • 66

    Partly Sunny

    • 46
    • 63

    Mostly Cloudy

    • 43
    • 60

    Partly Sunny

    • 41
    • 58

    Mostly Sunny

    • 41
    • 57

    Partly Sunny

Today 18 Jan South End of the Lower Sierra

Partly sunny. Highs 61 to 67. Northeast Winds up to 5 Mph shifting to the west in the afternoon.

Tonight 18 Jan South End of the Lower Sierra

Mostly clear. Lows in the upper 40s. Northeast Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Posey Temperature Statistics

January Temperature

Porterville, Porterville Municipal Airport (26.1 miles)

  • Lowest 10 January, 2026

    30.9 °F

  • Average January

    48.5 °F

  • Highest 2 January, 2026

    66.9 °F

Climate (2021–Present)

Porterville, Porterville Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    51.6 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    79 °F
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