Heisler Park Weather Forecast

    • 55
    • 71

    Mostly Sunny

    • 56
    • 76

    Mostly Sunny

    • 56
    • 71

    Mostly Sunny

    • 55
    • 70

    Mostly Sunny

    • 54
    • 69

    Partly Sunny

    • 52
    • 66

    Patchy Fog

Today 8 Dec Orange County Coastal

Mostly sunny. Highs 70 to 75 at the Beaches to 75 to 78 farther inland and near higher coastal Terrain. Light Winds becoming west 10 Mph this afternoon.

Tonight 8 Dec Orange County Coastal

Mostly clear. Lows 53 to 56. Areas of Winds north 10 Mph in the evening becoming light.

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Heisler Park Temperature Statistics

December Temperature

John Wayne-Orange County Airport (9.9 miles)

  • Lowest 6 December, 2025

    48 °F

  • Average December

    59.7 °F

  • Highest 4 December, 2025

    71.1 °F

Climate (2020–Present)

John Wayne-Orange County Airport (9.9 miles)

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  • Average Low 2020–2025

    58.7 °F

  • Average 2020–2025

    65.6 °F

  • Average High 2020–2025

    73.3 °F
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