Pioneer Park Weather Forecast

    • 70
    • 91

    Mostly Sunny

    • 72
    • 94

    Hot

    • 69
    • 91

    Mostly Sunny

    • 68
    • 86

    Partly Sunny

    • 68
    • 86

    Partly Sunny

    • 68
    • 86

    Mostly Sunny

Today 14 Jul Orange County Inland

Mostly sunny. Highs 84 to 89 towards the coast to 90 to 93 farther inland. Areas of Winds west to 10 Mph.

Tonight 14 Jul Orange County Inland

Mostly clear. Lows 64 to 70. Areas of Winds west to 10 Mph in the evening becoming light.

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Pioneer Park Temperature Statistics

July Temperature

Fullerton, Fullerton Municipal Airport (6.2 miles)

  • Lowest 3 July, 2026

    61.6 °F

  • Average July

    73.9 °F

  • Highest 6 July, 2026

    87.7 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    66.5 °F

  • Average High 2021–2026

    76.8 °F
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