Oak Park Weather Forecast

    • 59
    • 78

    Decreasing Clouds

    • 61
    • 82

    Mostly Sunny

    • 65
    • 89

    Mostly Sunny

    • 66
    • 88

    Mostly Sunny

    • 66
    • 89

    Mostly Sunny

    • 65
    • 89

    Partly Sunny

    • 62
    • 84

    Mostly Sunny

Today 21 Sep Orange County Inland

Partly cloudy in the morning. Becoming mostly sunny. Highs 82 to 85.

Tonight 21 Sep Orange County Inland

Partly cloudy. Lows 57 to 64. Areas of Winds southwest to 10 Mph this evening becoming light.

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Oak Park Temperature Statistics

September Temperature

Corona Airport (9.9 miles)

  • Lowest 2 September, 2026

    53.1 °F

  • Average September

    74.3 °F

  • Highest 9 September, 2026

    109 °F

Climate (2021–2026)

Corona Airport (9.9 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    65.2 °F

  • Average High 2021–2026

    78.4 °F
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