Tustin Weather Forecast

    • 51
    • 65

    Rain Showers

    • 48
    • 61

    Chance Rain Showers

    • 49
    • 63

    Mostly Sunny

    • 51
    • 63

    Chance Rain Showers

    • 50
    • 65

    Slight Chance Rain Showers

    • 52
    • 70

    Mostly Sunny

Today 17 Nov Orange County Inland

Mostly cloudy with a chance of Showers in the Morning, then cloudy with Showers in the afternoon. Highs 62 to 65. Areas of Winds south 10 to 15 Mph.

Tonight 17 Nov Orange County Inland

Showers. Locally heavy rainfall possible in the evening. Lows 45 to 51. Areas of Winds west 10 to 15 Mph.

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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

    64.4 °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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