Irvine Spectrum Center Weather Forecast

    • 63
    • 87

    Increasing Clouds

    • 62
    • 81

    Partly Sunny

    • 61
    • 79

    Partly Sunny

    • 61
    • 79

    Mostly Cloudy

    • 61
    • 80

    Partly Sunny

    • 62
    • 82

    Partly Sunny

    • 61
    • 82

    Partly Sunny

Today 8 Sep Orange County Inland

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 81 to 84 towards the coast to 85 to 88 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 8 Sep Orange County Inland

Mostly clear this evening. Becoming mostly cloudy. Patchy fog overnight. Local visibility one quarter mile or less at Times overnight. Lows 56 to 65. Areas of Winds west 10 Mph this evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Irvine Spectrum Center Temperature Statistics

September Temperature

John Wayne-Orange County Airport (6.8 miles)

  • Lowest 5 September, 2025

    66.9 °F

  • Average September

    74.8 °F

  • Highest 3 September, 2025

    86 °F

Climate (2020–Present)

John Wayne-Orange County Airport (6.8 miles)

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

  • Average Low 2020–2025

    58.7 °F

  • Average 2020–2025

    65.7 °F

  • Average High 2020–2025

    73.6 °F
Get WillyWeather+ to remove ads