James G. Gilleran Park Weather Forecast

    • 55
    • 80

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 59
    • 88

    Mostly Sunny

    • 56
    • 78

    Partly Sunny

    • 54
    • 76

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

Today 9 May Orange County Inland

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 74 to 77 towards the coast to 81 farther inland. Areas of Winds south 10 Mph.

Tonight 9 May Orange County Inland

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 54 to 58. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

James G. Gilleran Park Temperature Statistics

May Temperature

John Wayne-Orange County Airport (14.3 miles)

  • Lowest 6 May, 2026

    56.6 °F

  • Average May

    64.5 °F

  • Highest 1 May, 2026

    72.6 °F

Climate (2021–Present)

John Wayne-Orange County Airport (14.3 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