Foothill Ranch Weather Forecast

    • 58
    • 70

    Rain Showers

    • 55
    • 68

    Rain Showers Likely

    • 57
    • 74

    Mostly Sunny

    • 54
    • 75

    Partly Sunny

    • 56
    • 73

    Mostly Sunny

    • 55
    • 73

    Mostly Sunny

Today 31 Oct Orange County Inland

Mostly cloudy this morning. Becoming cloudy. A slight chance of rain. Highs 70 to 73. Light Winds. Chance of measurable precipitation 20 percent.

Tonight 31 Oct Orange County Inland

Showers. Lows 56 to 60. Light Winds.

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  • Temperature Real-Time

Foothill Ranch Temperature Statistics

October Temperature

John Wayne-Orange County Airport (11.2 miles)

  • Lowest 13 October, 2026

    58.6 °F

  • Average October

    74.8 °F

  • Highest 3 October, 2026

    102.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (11.2 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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