Rancho San Joaquin Weather Forecast

    • 57
    • 72

    Decreasing Clouds

    • 56
    • 72

    Partly Sunny

    • 56
    • 73

    Partly Sunny

    • 56
    • 73

    Partly Sunny

    • 57
    • 73

    Partly Sunny

    • 57
    • 75

    Mostly Sunny

Today 12 May Orange County Coastal

Mostly cloudy this morning. Becoming partly cloudy. Patchy fog this morning. Highs 66 to 69 at the Beaches to 69 to 73 farther inland and near higher coastal Terrain. Light Winds becoming south 10 Mph this afternoon.

Tonight 12 May Orange County Coastal

Partly cloudy in the evening. Becoming cloudy. Lows 55 to 58. Light Winds.

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  • Temperature Real-Time

Rancho San Joaquin Temperature Statistics

May Temperature

John Wayne-Orange County Airport (1.9 miles)

  • Lowest 6 May, 2026

    56.6 °F

  • Average May

    65.3 °F

  • Highest 1 May, 2026

    72.6 °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

    66 °F

  • Average High 2021–2026

    73.7 °F
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