Walnut Canyon Reservoir Weather Forecast

    • 63
    • 83

    Partly Sunny

    • 61
    • 84

    Patchy Fog

    • 58
    • 80

    Partly Sunny

    • 58
    • 79

    Mostly Sunny

    • 58
    • 77

    Partly Sunny

    • 57
    • 75

    Mostly Sunny

Today 23 Jun Orange County Inland

Patchy fog this morning. Partly cloudy. Highs around 80 towards the coast to 81 to 84 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 23 Jun Orange County Inland

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 60 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 20 June, 2026

    50 °F

  • Average June

    69.2 °F

  • Highest 12 June, 2026

    96.1 °F

Climate (2021–2026)

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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