San Joaquin Hills Weather Forecast

    • 58
    • 73

    Mostly Sunny

    • 56
    • 74

    Increasing Clouds

    • 55
    • 70

    Patchy Fog

    • 55
    • 69

    Partly Sunny

    • 55
    • 70

    Partly Sunny

    • 55
    • 68

    Partly Sunny

    • 55
    • 66

    Mostly Cloudy

Today 20 May Orange County Coastal

Mostly sunny. Highs 69 to 72 at the Beaches to 74 to 79 farther inland and near higher coastal Terrain. Areas of Winds south 10 Mph.

Tonight 20 May Orange County Coastal

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 57 to 61. Areas of Winds south 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Joaquin Hills Temperature Statistics

May Temperature

John Wayne-Orange County Airport (5 miles)

  • Lowest 6 May, 2026

    56.6 °F

  • Average May

    65.9 °F

  • Highest 11 May, 2026

    75.7 °F

Climate (2021–Present)

John Wayne-Orange County Airport (5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    66 °F

  • Average High 2021–2026

    73.7 °F
Get WillyWeather+ to remove ads