Walnut Canyon Reservoir Weather Forecast

    • 61
    • 83

    Patchy Fog

    • 60
    • 82

    Partly Sunny

    • 58
    • 77

    Partly Sunny

    • 56
    • 76

    Partly Sunny

    • 56
    • 75

    Mostly Sunny

    • 57
    • 75

    Mostly Sunny

Today 16 Jun Orange County Inland

Partly cloudy with patchy fog in the morning. Becoming sunny. Highs 76 to 80 towards the coast to 81 to 84 farther inland. Areas of Winds southwest to 10 Mph.

Tonight 16 Jun Orange County Inland

Mostly clear in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 57 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

    69.3 °F

  • Highest 12 June, 2026

    96.1 °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

    78.4 °F
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