Foothill Ranch Weather Forecast

    • 67
    • 90

    Decreasing Clouds

    • 66
    • 87

    Mostly Sunny

    • 61
    • 81

    Patchy Fog

    • 57
    • 72

    Chance Rain Showers

    • 55
    • 69

    Rain Showers Likely

    • 54
    • 67

    Chance Rain Showers

Today 17 Oct Orange County Inland

Partly cloudy. Highs 90 to 94. Areas of Winds east 20 to 30 Mph with Gusts to 45 Mph. Becoming 10 to 20 Mph with Gusts to 30 Mph this afternoon.

Tonight 17 Oct Orange County Inland

Partly cloudy in the evening. Becoming mostly clear. Lows 64 to 68. Areas of Winds east 10 to 15 Mph with Gusts to 25 Mph. Becoming to 10 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Foothill Ranch Temperature Statistics

October Temperature

John Wayne-Orange County Airport (11.2 miles)

  • Lowest 14 October, 2026

    57.9 °F

  • Average October

    77.9 °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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