Convention Center Weather Forecast

    • 75
    • 97

    Hot

    • 75
    • 100

    Hot

    • 75
    • 99

    Hot

    • 71
    • 95

    Mostly Sunny

    • 68
    • 87

    Mostly Sunny

    • 68
    • 85

    Mostly Sunny

Today 26 Aug Orange County Inland

Mostly sunny. Highs 90 to 94 towards the coast to 100 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 26 Aug Orange County Inland

Partly cloudy. Patchy fog overnight. Lows 71 to 74. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Convention Center Temperature Statistics

August Temperature

Fullerton, Fullerton Municipal Airport (6.2 miles)

  • Lowest 16 August, 2026

    66.7 °F

  • Average August

    80.5 °F

  • Highest 23 August, 2026

    100.7 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (6.2 miles)

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

  • Average Low 2021–2026

    57.1 °F

  • Average 2021–2026

    66.6 °F

  • Average High 2021–2026

    76.9 °F
Get WillyWeather+ to remove ads