Pioneer Park Weather Forecast

    • 52
    • 74

    Increasing Clouds

    • 51
    • 72

    Mostly Cloudy

    • 58
    • 82

    Mostly Sunny

    • 61
    • 99

    Hot

    • 59
    • 96

    Mostly Sunny

    • 57
    • 86

    Mostly Sunny

Today 9 Mar Orange County Inland

Partly cloudy in the morning. Becoming mostly sunny. Not as warm. Highs 71 to 75. Light Winds becoming southwest 10 to 15 Mph with Gusts to 30 Mph in the afternoon.

Tonight 9 Mar Orange County Inland

Mostly clear in the evening. Becoming mostly cloudy. Lows 51 to 54. Areas of Winds south to 10 Mph with Gusts to 25 Mph in the evening becoming light.

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  • Temperature Real-Time

Pioneer Park Temperature Statistics

March Temperature

Fullerton, Fullerton Municipal Airport (6.2 miles)

  • Lowest 3 March, 2026

    52 °F

  • Average March

    63.3 °F

  • Highest 1 March, 2026

    82 °F

Climate (2021–Present)

Fullerton, Fullerton Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    56.9 °F

  • Average 2021–2026

    66.2 °F

  • Average High 2021–2026

    76.6 °F
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