OC Fairgrounds Weather Forecast

    • 65
    • 86

    Dense Fog

    • 64
    • 81

    Dense Fog

    • 66
    • 84

    Partly Sunny

    • 67
    • 80

    Chance Rain Showers

    • 66
    • 77

    Chance Rain Showers

    • 64
    • 74

    Slight Chance Rain Showers

    • 61
    • 73

    Mostly Sunny

Today 23 Sep Orange County Coastal

Partly cloudy. Patchy dense fog in the morning. Local visibility one quarter mile or less at Times in the morning. Highs 74 to 79 at the Beaches to 79 to 84 farther inland and near higher coastal Terrain. Light Winds.

Tonight 23 Sep Orange County Coastal

Partly cloudy. Patchy dense fog overnight. Local visibility one quarter mile or less at Times overnight. Lows 59 to 64. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

OC Fairgrounds Temperature Statistics

September Temperature

Santa Ana, John Wayne Airport-Orange County Airport (1.9 miles)

  • Lowest 11 September, 2019

    66 °F
  • Average September

    74.8 °F
  • Highest 4 September, 2019

    93 °F

Climate (2010–Present)

Santa Ana, John Wayne Airport-Orange County Airport (1.9 miles)

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  • Average Low 2010–Present

    58.5 °F
  • Average 2010–Present

    64.8 °F
  • Average High 2010–Present

    73.1 °F
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