Irvine Research Center Weather Forecast

    • 59
    • 82

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

    • 56
    • 72

    Partly Sunny

    • 58
    • 75

    Mostly Sunny

    • 58
    • 80

    Partly Sunny

    • 58
    • 75

    Partly Sunny

Today 20 Oct Orange County Inland

Partly cloudy with patchy fog in the morning. Becoming mostly sunny. Highs around 79 towards the coast to 80 to 83 farther inland. Light Winds.

Tonight 20 Oct Orange County Inland

Mostly clear. Lows 53 to 58. Light Winds.

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Irvine Research Center Temperature Statistics

October Temperature

John Wayne-Orange County Airport (8.1 miles)

  • Lowest 16 October, 2025

    54 °F

  • Average October

    66.5 °F

  • Highest 10 October, 2025

    78.1 °F

Climate (2020–Present)

John Wayne-Orange County Airport (8.1 miles)

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  • Average Low 2020–2025

    58.6 °F

  • Average 2020–2025

    65.6 °F

  • Average High 2020–2025

    73.4 °F
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