Heisler Park Weather Forecast

    • 58
    • 78

    Increasing Clouds

    • 57
    • 74

    Mostly Cloudy

    • 57
    • 73

    Partly Sunny

    • 58
    • 73

    Partly Sunny

    • 58
    • 75

    Patchy Fog

    • 59
    • 76

    Partly Sunny

    • 58
    • 76

    Patchy Fog

Today 20 Mar Orange County Coastal

Mostly sunny. Highs 77 to 82 at the Beaches to 84 to 89 farther inland and near higher coastal Terrain. Light Winds becoming west 10 Mph this afternoon.

Tonight 20 Mar Orange County Coastal

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Local visibility one quarter mile or less at Times overnight. Lows around 58. Areas of Winds west to 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heisler Park Temperature Statistics

March Temperature

John Wayne-Orange County Airport (9.9 miles)

  • Lowest 6 March, 2026

    52 °F

  • Average March

    68 °F

  • Highest 12 March, 2026

    93.7 °F

Climate (2021–Present)

John Wayne-Orange County Airport (9.9 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    65.9 °F

  • Average High 2021–2026

    73.6 °F
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