OC Fairgrounds Weather Forecast

    • 56
    • 68

    Rain Showers

    • 55
    • 66

    Rain Showers

    • 56
    • 67

    Chance Rain Showers

    • 54
    • 66

    Chance Rain Showers

    • 53
    • 65

    Chance Rain Showers

    • 51
    • 64

    Slight Chance Rain Showers

    • 48
    • 64

    Chance Rain Showers

Today 31 Dec Orange County Coastal

Cloudy. A chance of Showers this Morning, then Showers likely this afternoon. Highs around 67. Light Winds becoming east 10 Mph this afternoon. Chance of measurable precipitation 70 percent.

Tonight 31 Dec Orange County Coastal

Showers this Evening, then Showers and a slight chance of Thunderstorms overnight. Lows around 56. Areas of Winds southeast 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

OC Fairgrounds Temperature Statistics

December Temperature

John Wayne-Orange County Airport (1.9 miles)

  • Lowest 28 December, 2025

    45 °F

  • Average December

    59.8 °F

  • Highest 9 December, 2025

    82 °F

Climate (2020–Present)

John Wayne-Orange County Airport (1.9 miles)

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  • Average Low 2020–2025

    58.8 °F

  • Average 2020–2025

    65.6 °F

  • Average High 2020–2025

    73.3 °F
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