Guadalupe Park Weather Forecast

    • 66
    • 88

    Increasing Clouds

    • 65
    • 85

    Partly Sunny

    • 64
    • 82

    Mostly Cloudy

    • 63
    • 82

    Partly Sunny

    • 64
    • 84

    Partly Sunny

    • 64
    • 85

    Partly Sunny

Today 11 Aug Orange County Inland

Partly cloudy in the morning. Becoming mostly sunny. Patchy dense fog in the morning. Highs around 83 towards the coast to 87 farther inland. Light Winds becoming southwest 10 Mph with Gusts to 25 Mph in the afternoon.

Tonight 11 Aug Orange County Inland

Mostly clear in the evening. Becoming mostly cloudy. Patchy dense fog. Lows 60 to 68. Areas of Winds southwest 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Guadalupe Park Temperature Statistics

August Temperature

Fullerton, Fullerton Municipal Airport (3.7 miles)

  • Lowest 5 August, 2026

    67.6 °F

  • Average August

    79.6 °F

  • Highest 8 August, 2026

    96.1 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (3.7 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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