Guadalupe Park Weather Forecast

    • 54
    • 77

    Sunny

    • 55
    • 80

    Sunny

    • 54
    • 80

    Sunny

    • 55
    • 79

    Mostly Sunny

    • 55
    • 79

    Patchy Fog

    • 55
    • 79

    Patchy Fog

Today 13 Jan Orange County Inland

Sunny. Highs around 78. Areas of Winds northeast 10 to 20 Mph with Gusts to 35 Mph becoming west 10 Mph with Gusts to 25 Mph this afternoon.

Tonight 13 Jan Orange County Inland

Clear. Lows 52 to 55. Areas of Winds east to 10 Mph.

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  • Temperature Real-Time

Guadalupe Park Temperature Statistics

January Temperature

Fullerton, Fullerton Municipal Airport (3.7 miles)

  • Lowest 9 January, 2026

    42.1 °F

  • Average January

    59.2 °F

  • Highest 11 January, 2026

    77 °F

Climate (2021–Present)

Fullerton, Fullerton Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    56.9 °F

  • Average 2021–2026

    66.1 °F

  • Average High 2021–2026

    76.4 °F
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