Walnut Canyon Reservoir Weather Forecast

    • 50
    • 66

    Mostly Cloudy

    • 53
    • 73

    Decreasing Clouds

    • 56
    • 81

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 57
    • 83

    Sunny

    • 58
    • 85

    Mostly Sunny

    • 59
    • 88

    Mostly Sunny

Today 5 May Orange County Inland

Partly cloudy. A slight chance of Showers this morning. Highs 64 to 68. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph this afternoon. Chance of measurable precipitation 20 percent.

Tonight 5 May Orange County Inland

Partly cloudy this evening. Becoming mostly cloudy. Lows 48 to 55. Areas of Winds southwest 10 to 15 Mph this evening becoming light.

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Walnut Canyon Reservoir Temperature Statistics

May Temperature

Corona Airport (9.3 miles)

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Climate (2021–Present)

Corona Airport (9.3 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    65.1 °F

  • Average High 2021–2026

    78.3 °F
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