Porterville Weather Forecast

    • 45
    • 55

    Areas Fog

    • 43
    • 61

    Dense Fog

    • 41
    • 55

    Partly Sunny

    • 41
    • 59

    Mostly Cloudy

    • 41
    • 59

    Partly Sunny

    • 44
    • 60

    Mostly Cloudy

Today 22 Jan Visalia - Porterville - Reedley

Mostly cloudy. Widespread dense fog in the morning. Patchy dense fog in the afternoon. Highs in the mid 50s. Light Winds becoming west up to 5 Mph in the afternoon.

Tonight 22 Jan Visalia - Porterville - Reedley

Mostly cloudy. Patchy dense fog through the night. Lows in the mid 40s. Light Winds.

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Porterville Temperature Statistics

January Temperature

Porterville, Porterville Municipal Airport (3.1 miles)

  • Lowest 10 January, 2026

    30.9 °F

  • Average January

    48.3 °F

  • Highest 2 January, 2026

    66.9 °F

Climate (2021–Present)

Porterville, Porterville Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    79 °F
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