Walnut Canyon Reservoir Weather Forecast

    • 60
    • 84

    Mostly Sunny

    • 61
    • 83

    Sunny

    • 61
    • 83

    Mostly Sunny

    • 61
    • 84

    Mostly Sunny

    • 66
    • 85

    Chance Rain Showers

    • 67
    • 88

    Chance Rain Showers

Today 1 Sep Orange County Inland

Partly cloudy this morning. Becoming sunny. Highs 79 to 82 towards the coast to 84 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 1 Sep Orange County Inland

Mostly clear. Lows 58 to 65. Areas of Winds west to 10 Mph in the evening becoming light.

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Walnut Canyon Reservoir Temperature Statistics

September Temperature

Corona Airport (9.3 miles)

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  • Average September

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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

    78.4 °F
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