Columbus Tustin Park Weather Forecast

    • 65
    • 80

    Slight Chance Thunderstorms

    • 64
    • 80

    Partly Sunny

    • 63
    • 78

    Partly Sunny

    • 62
    • 78

    Partly Sunny

    • 63
    • 79

    Partly Sunny

    • 64
    • 80

    Partly Sunny

Today 18 Jul Orange County Inland

Patchy fog this morning. Mostly cloudy with a slight chance of Showers and Thunderstorms this Morning, then partly cloudy this afternoon. Highs around 80 towards the coast to 81 farther inland. Areas of Winds west to 10 Mph. Chance of measurable precipitation 20 percent.

Tonight 18 Jul Orange County Inland

Mostly clear in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 58 to 64. Areas of Winds southwest 10 Mph in the evening becoming light.

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Columbus Tustin Park Temperature Statistics

July Temperature

John Wayne-Orange County Airport (5 miles)

  • Lowest 3 July, 2025

    61 °F

  • Average July

    70.1 °F

  • Highest 8 July, 2025

    80.7 °F

Climate (2020–Present)

John Wayne-Orange County Airport (5 miles)

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  • Average Low 2020–2025

    58.6 °F

  • Average 2020–2025

    65.6 °F

  • Average High 2020–2025

    73.6 °F
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