Tustin Weather Forecast

    • 49
    • 62

    Chance Rain Showers

    • 50
    • 63

    Partly Sunny

    • 52
    • 62

    Rain Showers Likely

    • 51
    • 63

    Chance Rain Showers

    • 51
    • 68

    Partly Sunny

    • 52
    • 68

    Partly Sunny

Today 18 Nov Orange County Inland

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Highs 59 to 62. Light Winds. Chance of measurable precipitation 40 percent.

Tonight 18 Nov Orange County Inland

Partly cloudy. A slight chance of Showers in the evening. Lows 43 to 49. Light Winds. Chance of measurable precipitation 20 percent.

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Tustin Temperature Statistics

November Temperature

John Wayne-Orange County Airport (5 miles)

  • Lowest 6 November, 2025

    55.9 °F

  • Average November

    64.1 °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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