Convention Center Weather Forecast

    • 53
    • 73

    Patchy Fog

    • 55
    • 74

    Patchy Fog

    • 56
    • 75

    Partly Sunny

    • 57
    • 78

    Mostly Sunny

    • 58
    • 80

    Partly Sunny

    • 57
    • 75

    Partly Sunny

    • 55
    • 72

    Partly Sunny

Today 28 Apr Orange County Inland

Partly cloudy this morning. Becoming mostly sunny. Highs 70 to 74. Areas of Winds southwest to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 28 Apr Orange County Inland

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 47 to 53. Areas of Winds west to 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Convention Center Temperature Statistics

April Temperature

Fullerton, Fullerton Municipal Airport (6.2 miles)

  • Lowest 4 April, 2026

    52.6 °F

  • Average April

    67.3 °F

  • Highest 4 April, 2026

    91.7 °F

Climate (2021–Present)

Fullerton, Fullerton Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    66.4 °F

  • Average High 2021–2026

    76.8 °F
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