Porter Ranch Airport Weather Forecast

    • 54
    • 74

    Becoming Sunny

    • 57
    • 80

    Mostly Sunny

    • 60
    • 82

    Partly Sunny

    • 63
    • 85

    Partly Sunny

    • 63
    • 86

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 57
    • 83

    Mostly Sunny

Today 6 Sep South End of the Upper Sierra

Mostly sunny. A 20 percent chance of rain in the late morning and afternoon. Highs 59 to 73. West Winds up to 10 Mph shifting to the southwest in the afternoon. Gusts up to 30 Mph.

Tonight 6 Sep South End of the Upper Sierra

Mostly clear. Lows 41 to 55. Northwest Winds up to 10 Mph. Gusts up to 30 Mph in the evening.

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Porter Ranch Airport Temperature Statistics

September Temperature

China Lake, Naval Air Facility (32.3 miles)

  • Lowest 4 September, 2026

    63 °F

  • Average September

    78.8 °F

  • Highest 3 September, 2026

    93 °F

Climate (2021–2026)

China Lake, Naval Air Facility (32.3 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    67.9 °F

  • Average High 2021–2026

    82.4 °F
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