Guadalupe Park Weather Forecast

    • 56
    • 80

    Mostly Sunny

    • 55
    • 80

    Partly Sunny

    • 54
    • 78

    Mostly Sunny

    • 53
    • 78

    Partly Sunny

    • 52
    • 76

    Mostly Sunny

    • 51
    • 72

    Partly Sunny

Today 16 Jan Orange County Inland

Patchy fog this morning. Mostly sunny. Highs 78 to 82. Areas of Winds northwest 10 to 15 Mph. Gusts to 30 Mph. Becoming 25 Mph this afternoon.

Tonight 16 Jan Orange County Inland

Mostly clear in the evening. Becoming partly cloudy. Lows 52 to 58. Areas of Winds northeast 10 to 20 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

  • 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

    61 °F

  • Highest 14 January, 2026

    84.9 °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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