Rancho San Joaquin Weather Forecast

    • 60
    • 69

    Rain Showers Likely

    • 57
    • 71

    Mostly Sunny

    • 59
    • 76

    Mostly Sunny

    • 60
    • 79

    Mostly Sunny

    • 60
    • 81

    Mostly Sunny

    • 60
    • 80

    Partly Sunny

Today 22 Oct Orange County Coastal

Partly cloudy with a chance of Showers. A slight chance of Thunderstorms this afternoon. Highs around 68. Areas of Winds southwest 10 Mph. Chance of measurable precipitation 40 percent.

Tonight 22 Oct Orange County Coastal

Partly cloudy in the evening. Becoming mostly cloudy. A chance of Showers. Lows around 60. Areas of Winds west to 10 Mph becoming east 10 Mph overnight. Chance of measurable precipitation 50 percent.

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  • Temperature Real-Time

Rancho San Joaquin Temperature Statistics

October Temperature

John Wayne-Orange County Airport (1.9 miles)

  • Lowest 13 October, 2026

    58.6 °F

  • Average October

    77.6 °F

  • Highest 3 October, 2026

    102.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (1.9 miles)

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  • Average Low 2021–2026

    59.2 °F

  • Average 2021–2026

    66.3 °F

  • Average High 2021–2026

    73.9 °F
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