Tustin Weather Forecast

    • 60
    • 73

    Increasing Clouds

    • 58
    • 68

    Mostly Cloudy

    • 57
    • 68

    Mostly Cloudy

    • 58
    • 70

    Mostly Cloudy

    • 58
    • 71

    Mostly Cloudy

    • 60
    • 72

    Mostly Cloudy

Today 4 Jun Orange County Inland

Mostly cloudy with patchy drizzle in the Morning, then partly cloudy in the afternoon. Highs around 70 towards the coast to 71 to 75 farther inland. Areas of Winds west to 10 Mph becoming southwest with Gusts to 25 Mph in the afternoon.

Tonight 4 Jun Orange County Inland

Partly cloudy in the evening. Becoming cloudy. Lows 54 to 60. Areas of Winds southwest 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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Tustin Temperature Statistics

June Temperature

John Wayne-Orange County Airport (5 miles)

  • Lowest 1 June, 2023

    60.1 °F

  • Average June

    64 °F

  • Highest 1 June, 2023

    68 °F

Climate (2010–Present)

John Wayne-Orange County Airport (5 miles)

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  • Average Low 2010–Present

    58.5 °F

  • Average 2010–Present

    65.1 °F

  • Average High 2010–Present

    73.4 °F
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