Foothill Ranch Weather Forecast

    • 54
    • 74

    Decreasing Clouds

    • 54
    • 73

    Mostly Cloudy

    • 53
    • 71

    Mostly Cloudy

    • 53
    • 68

    Mostly Cloudy

    • 53
    • 68

    Mostly Cloudy

    • 53
    • 70

    Partly Sunny

Today 23 May Orange County Inland

Cloudy this morning. Becoming partly cloudy. Highs 72 to 76. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 23 May Orange County Inland

Cloudy. Lows 52 to 58. Areas of Winds southwest 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Foothill Ranch Temperature Statistics

May Temperature

John Wayne-Orange County Airport (11.2 miles)

  • Lowest 6 May, 2026

    56.6 °F

  • Average May

    66.3 °F

  • Highest 20 May, 2026

    81 °F

Climate (2021–Present)

John Wayne-Orange County Airport (11.2 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    66 °F

  • Average High 2021–2026

    73.7 °F
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