Walnut Canyon Reservoir Weather Forecast

    • 43
    • 60

    Increasing Clouds

    • 40
    • 58

    Partly Sunny

    • 45
    • 64

    Partly Sunny

    • 48
    • 68

    Partly Sunny

    • 49
    • 71

    Mostly Sunny

    • 49
    • 71

    Mostly Cloudy

Today 29 Jan Orange County Inland

Mostly sunny. Highs around 61. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 29 Jan Orange County Inland

Partly cloudy. Lows 41 to 45. Light Winds.

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Walnut Canyon Reservoir Temperature Statistics

January Temperature

Corona Airport (9.3 miles)

  • Lowest 17 January, 2025

    34 °F

  • Average January

    58.4 °F

  • Highest 2 January, 2025

    84 °F

Climate (2020–Present)

Corona Airport (9.3 miles)

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  • Average Low 2020–2025

    52.4 °F

  • Average 2020–2025

    65.1 °F

  • Average High 2020–2025

    78.1 °F
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