Foothill Ranch Weather Forecast

    • 53
    • 68

    Mostly Cloudy

    • 56
    • 64

    Rain

    • 53
    • 63

    Rain

    • 52
    • 63

    Rain

    • 47
    • 61

    Rain Showers Likely

    • 47
    • 62

    Slight Chance Rain Showers

Today 22 Dec Orange County Inland

Cloudy this morning. Becoming mostly cloudy. Areas of fog this morning. Local visibility one quarter mile or less at Times this morning. Highs around 67 towards the coast to 70 farther inland. Light Winds.

Tonight 22 Dec Orange County Inland

Cloudy. Lows 51 to 54. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Foothill Ranch Temperature Statistics

December Temperature

John Wayne-Orange County Airport (11.2 miles)

  • Lowest 6 December, 2025

    48 °F

  • Average December

    59.6 °F

  • Highest 9 December, 2025

    82 °F

Climate (2020–Present)

John Wayne-Orange County Airport (11.2 miles)

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  • Average Low 2020–2025

    58.7 °F

  • Average 2020–2025

    65.6 °F

  • Average High 2020–2025

    73.3 °F
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