Irvine Weather Forecast

    • 58
    • 76

    Increasing Clouds

    • 61
    • 74

    Mostly Cloudy

    • 58
    • 73

    Mostly Cloudy

    • 58
    • 73

    Rain Showers Likely

    • 57
    • 72

    Chance Rain Showers

    • 58
    • 77

    Mostly Sunny

Today 28 Oct Orange County Inland

Partly cloudy. Highs 73 to 76.

Tonight 28 Oct Orange County Inland

Partly cloudy this evening. Becoming mostly cloudy. Lows 54 to 59. Light Winds.

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  • Temperature Real-Time

Irvine Temperature Statistics

October Temperature

John Wayne-Orange County Airport (3.7 miles)

  • Lowest 13 October, 2026

    58.6 °F

  • Average October

    75.5 °F

  • Highest 3 October, 2026

    102.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (3.7 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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