Tustin Weather Forecast

    • 52
    • 63

    Chance Rain Showers

    • 51
    • 68

    Partly Sunny

    • 52
    • 68

    Mostly Sunny

    • 51
    • 68

    Partly Sunny

    • 53
    • 72

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

Today 21 Nov Orange County Inland

Mostly cloudy with a chance of Showers and a slight chance of Thunderstorms in the Morning, then partly cloudy with a slight chance of Showers in the afternoon. Highs 61 to 64. Areas of Winds southeast 10 to 15 Mph with Gusts to 25 Mph. Becoming to 10 Mph in the afternoon. Chance of measurable precipitation 50 percent.

Tonight 21 Nov Orange County Inland

Partly cloudy with a slight chance of Showers. Lows 47 to 52. Areas of Winds east 10 to 20 Mph with Gusts to 35 Mph. Chance of measurable precipitation 20 percent.

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Tustin Temperature Statistics

November Temperature

John Wayne-Orange County Airport (5 miles)

  • Lowest 18 November, 2025

    51.1 °F

  • Average November

    63.2 °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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