Sunday Peak Weather Forecast

    • 58
    • 68

    Sunny

    • 59
    • 67

    Mostly Sunny

    • 59
    • 67

    Sunny

    • 55
    • 68

    Sunny

    • 53
    • 65

    Mostly Sunny

    • 53
    • 63

    Sunny

    • 53
    • 63

    Mostly Sunny

Today 17 Jul South End of the Upper Sierra

Sunny. Highs 71 to 85. South Winds up to 10 Mph shifting to the southwest in the afternoon. Gusts up to 30 Mph.

Tonight 17 Jul South End of the Upper Sierra

Mostly clear. Lows 49 to 63. Northwest Winds up to 10 Mph. Gusts up to 30 Mph decreasing to 20 Mph after midnight.

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Sunday Peak Temperature Statistics

July Temperature

Porterville, Porterville Municipal Airport (31.7 miles)

  • Lowest 5 July, 2025

    57 °F

  • Average July

    82 °F

  • Highest 12 July, 2025

    104 °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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