Guadalupe Park Weather Forecast

    • 52
    • 67

    Becoming Sunny

    • 53
    • 74

    Partly Sunny

    • 55
    • 74

    Partly Sunny

    • 55
    • 74

    Partly Sunny

    • 56
    • 78

    Mostly Sunny

    • 57
    • 81

    Partly Sunny

Today 27 Apr Orange County Inland

Partly cloudy with a slight chance of Showers this Morning, then mostly sunny this afternoon. Highs 65 to 69. Areas of Winds west to 10 Mph becoming southwest with Gusts to 25 Mph this afternoon. Chance of measurable precipitation 20 percent.

Tonight 27 Apr Orange County Inland

Mostly clear. Lows 47 to 54. Areas of Winds west 10 Mph in the evening becoming light.

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Guadalupe Park Temperature Statistics

April Temperature

Fullerton, Fullerton Municipal Airport (3.7 miles)

  • Lowest 4 April, 2026

    52.6 °F

  • Average April

    67.3 °F

  • Highest 4 April, 2026

    91.7 °F

Climate (2021–Present)

Fullerton, Fullerton Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    66.4 °F

  • Average High 2021–2026

    76.8 °F
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