Weir Canyon Regional Park Weather Forecast

    • 73
    • 102

    Hot

    • 72
    • 100

    Hot

    • 73
    • 99

    Hot

    • 71
    • 97

    Hot

    • 70
    • 96

    Sunny

    • 69
    • 96

    Mostly Sunny

Today 3 Oct Orange County Inland

Partly cloudy. Highs 81 to 84 towards the coast to 85 farther inland.

Tonight 3 Oct Orange County Inland

Clear. Lows around 74. Light Winds becoming east 10 Mph overnight.

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Weir Canyon Regional Park Temperature Statistics

October Temperature

Corona Airport (8.7 miles)

  • Lowest 1 October, 2026

    55.9 °F

  • Average October

    73.2 °F

  • Highest 1 October, 2026

    91.9 °F

Climate (2021–2026)

Corona Airport (8.7 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    65.1 °F

  • Average High 2021–2026

    78.4 °F
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