Walnut Canyon Reservoir Weather Forecast

    • 63
    • 96

    Sunny

    • 65
    • 96

    Sunny

    • 62
    • 97

    Sunny

    • 59
    • 91

    Patchy Fog

    • 58
    • 86

    Partly Sunny

    • 57
    • 85

    Mostly Sunny

Today 18 Mar Orange County Inland

Mostly sunny. Highs 90 to 93 towards the coast to 94 to 98 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 18 Mar Orange County Inland

Clear. Lows 60 to 66. Areas of Winds southwest to 10 Mph in the evening becoming light.

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Walnut Canyon Reservoir Temperature Statistics

March Temperature

Corona Airport (9.3 miles)

  • Lowest 3 March, 2026

    42.1 °F

  • Average March

    65.5 °F

  • Highest 16 March, 2026

    96.1 °F

Climate (2021–Present)

Corona Airport (9.3 miles)

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  • Average Low 2021–2026

    52.2 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    78.2 °F
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