Weir Canyon Regional Park Weather Forecast

    • 59
    • 78

    Increasing Clouds

    • 60
    • 82

    Becoming Sunny

    • 60
    • 83

    Mostly Sunny

    • 63
    • 85

    Mostly Sunny

    • 65
    • 87

    Mostly Sunny

    • 66
    • 89

    Mostly Sunny

    • 67
    • 89

    Mostly Sunny

Today 17 Aug Orange County Inland

Partly cloudy this morning. Becoming mostly sunny. Highs around 80 towards the coast to 82 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 17 Aug Orange County Inland

Mostly clear this evening. Becoming mostly cloudy. Patchy fog overnight. Lows 58 to 65. Areas of Winds southwest to 10 Mph this evening becoming light.

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Weir Canyon Regional Park Temperature Statistics

August Temperature

Corona Airport (8.7 miles)

  • Lowest 2 August, 2025

    57 °F

  • Average August

    74.3 °F

  • Highest 7 August, 2025

    100.9 °F

Climate (2020–Present)

Corona Airport (8.7 miles)

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  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    65 °F

  • Average High 2020–2025

    78.1 °F
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