Rancho San Joaquin Weather Forecast

    • 58
    • 71

    Chance Rain Showers

    • 56
    • 70

    Increasing Clouds

    • 53
    • 69

    Mostly Cloudy

    • 56
    • 78

    Partly Sunny

    • 56
    • 81

    Mostly Sunny

    • 57
    • 80

    Partly Sunny

    • 56
    • 76

    Partly Sunny

Today 31 Mar Orange County Coastal

Cloudy. Highs around 68 at the Beaches to 69 to 72 farther inland and near higher coastal Terrain. Light Winds becoming south 10 Mph this afternoon.

Tonight 31 Mar Orange County Coastal

Mostly cloudy with a chance of Showers. Lows around 57. Light Winds becoming west to 10 Mph overnight. Chance of measurable precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rancho San Joaquin Temperature Statistics

March Temperature

John Wayne-Orange County Airport (1.9 miles)

  • Lowest 6 March, 2026

    52 °F

  • Average March

    68.9 °F

  • Highest 17 March, 2026

    95.6 °F

Climate (2021–Present)

John Wayne-Orange County Airport (1.9 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    65.9 °F

  • Average High 2021–2026

    73.7 °F
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