Walnut Canyon Reservoir Weather Forecast

    • 60
    • 86

    Patchy Fog

    • 60
    • 83

    Increasing Clouds

    • 60
    • 81

    Partly Sunny

    • 60
    • 79

    Patchy Fog

    • 61
    • 81

    Partly Sunny

    • 61
    • 84

    Partly Sunny

    • 60
    • 85

    Mostly Sunny

Today 30 Jun Orange County Inland

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs around 81 towards the coast to 85 to 88 farther inland. Areas of Winds west to 10 Mph.

Tonight 30 Jun Orange County Inland

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 57 to 63. Areas of Winds west 10 Mph this evening becoming light.

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Walnut Canyon Reservoir Temperature Statistics

June Temperature

Corona Airport (9.3 miles)

  • Lowest 23 June, 2025

    52 °F

  • Average June

    69.7 °F

  • Highest 17 June, 2025

    93.9 °F

Climate (2020–Present)

Corona Airport (9.3 miles)

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  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    65.1 °F

  • Average High 2020–2025

    78.1 °F
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