Walnut Canyon Reservoir Weather Forecast

    • 57
    • 85

    Increasing Clouds

    • 55
    • 81

    Partly Sunny

    • 55
    • 81

    Patchy Fog

    • 56
    • 80

    Patchy Fog

    • 54
    • 79

    Mostly Cloudy

    • 50
    • 72

    Partly Sunny

Today 23 Oct Orange County Inland

Partly cloudy in the morning. Becoming sunny. Highs around 82 towards the coast to 86 to 89 farther inland. Light Winds becoming west 10 Mph in the afternoon.

Tonight 23 Oct Orange County Inland

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 55 to 58. Light Winds.

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Walnut Canyon Reservoir Temperature Statistics

October Temperature

Corona Airport (9.3 miles)

  • Lowest 20 October, 2024

    46 °F

  • Average October

    66.7 °F

  • Highest 20 October, 2024

    87.1 °F

Climate (2019–Present)

Corona Airport (9.3 miles)

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  • Average Low 2019–2024

    52.4 °F

  • Average 2019–2024

    65 °F

  • Average High 2019–2024

    77.9 °F
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