Guadalupe Park Weather Forecast

    • 61
    • 86

    Becoming Sunny

    • 62
    • 85

    Mostly Sunny

    • 63
    • 85

    Mostly Sunny

    • 65
    • 85

    Mostly Sunny

    • 67
    • 86

    Slight Chance Rain Showers

    • 69
    • 88

    Slight Chance Rain Showers

Today 1 Sep Orange County Inland

Partly cloudy this morning. Becoming sunny. Highs 79 to 82 towards the coast to 84 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 1 Sep Orange County Inland

Mostly clear. Lows 58 to 65. Areas of Winds west to 10 Mph in the evening becoming light.

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Guadalupe Park Temperature Statistics

September Temperature

Fullerton, Fullerton Municipal Airport (3.7 miles)

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Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    57.1 °F

  • Average 2021–2026

    66.6 °F

  • Average High 2021–2026

    76.9 °F
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