Tustin Weather Forecast

    • 53
    • 70

    Decreasing Clouds

    • 52
    • 68

    Mostly Sunny

    • 51
    • 68

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

    • 54
    • 76

    Partly Sunny

Today 22 Nov Orange County Inland

Mostly cloudy with a slight chance of Showers in the Morning, then partly cloudy in the afternoon. Highs around 69. Areas of Winds northeast 10 to 20 Mph. Gusts to 35 Mph. Becoming 25 Mph in the afternoon. Chance of measurable precipitation 20 percent.

Tonight 22 Nov Orange County Inland

Mostly clear. Lows 47 to 52. Light Winds.

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Tustin Temperature Statistics

November Temperature

John Wayne-Orange County Airport (5 miles)

  • Lowest 19 November, 2025

    48.9 °F

  • Average November

    62.9 °F

  • Highest 10 November, 2025

    78.1 °F

Climate (2020–Present)

John Wayne-Orange County Airport (5 miles)

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  • Average Low 2020–2025

    58.7 °F

  • Average 2020–2025

    65.6 °F

  • Average High 2020–2025

    73.4 °F
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