University Park Weather Forecast

    • 63
    • 78

    Increasing Clouds

    • 62
    • 78

    Partly Sunny

    • 64
    • 79

    Mostly Sunny

    • 65
    • 82

    Mostly Sunny

    • 64
    • 80

    Partly Sunny

    • 64
    • 79

    Mostly Sunny

Today 16 Sep Orange County Inland

Partly cloudy this morning. Becoming mostly sunny. Highs around 80. Areas of Winds east 10 Mph becoming south this afternoon.

Tonight 16 Sep Orange County Inland

Partly cloudy. Patchy fog overnight. Lows 55 to 64. Areas of Winds southwest to 10 Mph in the evening becoming light.

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University Park Temperature Statistics

September Temperature

John Wayne-Orange County Airport (3.1 miles)

  • Lowest 2 September, 2026

    65.6 °F

  • Average September

    78 °F

  • Highest 9 September, 2026

    102.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (3.1 miles)

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  • Average Low 2021–2026

    59.1 °F

  • Average 2021–2026

    66.2 °F

  • Average High 2021–2026

    73.8 °F
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