Santiago Oaks Regional Park Weather Forecast

    • 54
    • 80

    Mostly Sunny

    • 53
    • 77

    Partly Sunny

    • 54
    • 76

    Patchy Fog

    • 53
    • 78

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

    • 53
    • 73

    Mostly Sunny

Today 11 Dec Orange County Inland

Mostly sunny. Highs 76 to 79 towards the coast to 80 to 83 farther inland. Light Winds.

Tonight 11 Dec Orange County Inland

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 52 to 55. Light Winds.

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Santiago Oaks Regional Park Temperature Statistics

December Temperature

Corona Airport (10.6 miles)

  • Lowest 6 December, 2025

    37 °F

  • Average December

    61.9 °F

  • Highest 9 December, 2025

    84.9 °F

Climate (2020–Present)

Corona Airport (10.6 miles)

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  • Average Low 2020–2025

    52.1 °F

  • Average 2020–2025

    64.8 °F

  • Average High 2020–2025

    78 °F
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