Walnut Canyon Reservoir Weather Forecast

    • 60
    • 79

    Becoming Sunny

    • 62
    • 83

    Mostly Sunny

    • 64
    • 83

    Partly Sunny

    • 65
    • 86

    Mostly Sunny

    • 63
    • 86

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

Today 9 Jun Orange County Inland

Partly cloudy in the morning. Becoming mostly sunny. Highs 77 to 81. Light Winds becoming southwest 10 Mph in the afternoon.

Tonight 9 Jun Orange County Inland

Mostly clear in the evening. Becoming partly cloudy. Lows 58 to 64. Areas of Winds southwest to 10 Mph in the evening becoming light.

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Walnut Canyon Reservoir Temperature Statistics

June Temperature

Corona Airport (9.3 miles)

  • Lowest 3 June, 2026

    52 °F

  • Average June

    67.3 °F

  • Highest 1 June, 2026

    84 °F

Climate (2021–Present)

Corona Airport (9.3 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    65.1 °F

  • Average High 2021–2026

    78.3 °F
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