Weir Canyon Regional Park Weather Forecast

    • 56
    • 80

    Increasing Clouds

    • 52
    • 78

    Partly Sunny

    • 52
    • 76

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

    • 51
    • 72

    Partly Sunny

    • 50
    • 71

    Mostly Cloudy

    • 50
    • 67

    Mostly Cloudy

Today 17 Jan Orange County Inland

Mostly sunny. Highs 80 to 83. Areas of Winds northeast 10 to 20 Mph. Gusts to 35 Mph. Becoming 30 Mph this afternoon.

Tonight 17 Jan Orange County Inland

Partly cloudy. Lows 52 to 56. Areas of Winds northeast 10 to 15 Mph. Gusts to 30 Mph this evening.

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Weir Canyon Regional Park Temperature Statistics

January Temperature

Corona Airport (8.7 miles)

  • Lowest 8 January, 2026

    37.9 °F

  • Average January

    59.7 °F

  • Highest 14 January, 2026

    82.9 °F

Climate (2021–Present)

Corona Airport (8.7 miles)

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  • Average Low 2021–2026

    52.1 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    78 °F
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