Tustin Weather Forecast

    • 52
    • 76

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 50
    • 74

    Sunny

    • 52
    • 73

    Sunny

    • 55
    • 79

    Mostly Sunny

    • 54
    • 82

    Mostly Sunny

Today 3 Mar Orange County Inland

Partly cloudy this morning. Becoming mostly sunny. Highs 72 to 77. Light Winds becoming west 10 Mph this afternoon.

Tonight 3 Mar Orange County Inland

Mostly clear in the evening. Becoming partly cloudy. Lows around 52. Light Winds.

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Tustin Temperature Statistics

March Temperature

John Wayne-Orange County Airport (5 miles)

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  • Average March

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Climate (2021–Present)

John Wayne-Orange County Airport (5 miles)

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  • Average Low 2021–2026

    58.8 °F

  • Average 2021–2026

    65.8 °F

  • Average High 2021–2026

    73.5 °F
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