Tustin Weather Forecast

    • 54
    • 71

    Increasing Clouds

    • 54
    • 69

    Mostly Cloudy

    • 53
    • 70

    Mostly Cloudy

    • 52
    • 68

    Partly Sunny

    • 51
    • 68

    Mostly Sunny

    • 51
    • 70

    Mostly Sunny

Today 22 Apr Orange County Inland

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 69 to 72. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 22 Apr Orange County Inland

Partly cloudy in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 49 to 54. Areas of Winds southwest 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Tustin Temperature Statistics

April Temperature

John Wayne-Orange County Airport (5 miles)

  • Lowest 4 April, 2025

    51.7 °F

  • Average April

    63.1 °F

  • Highest 5 April, 2025

    81.6 °F

Climate (2020–Present)

John Wayne-Orange County Airport (5 miles)

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  • Average Low 2020–2025

    58.8 °F

  • Average 2020–2025

    65.7 °F

  • Average High 2020–2025

    73.8 °F
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