Walnut Canyon Reservoir Weather Forecast

    • 51
    • 74

    Breezy

    • 52
    • 73

    Breezy

    • 55
    • 75

    Sunny

    • 54
    • 80

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 52
    • 72

    Partly Sunny

Today 5 Mar Orange County Inland

Partly cloudy in the morning. Becoming sunny. Highs 73 to 76. Areas of Winds north 10 to 20 Mph with Gusts to 35 Mph.

Tonight 5 Mar Orange County Inland

Clear. Lows 49 to 52. Areas of Winds west 10 to 20 Mph with Gusts to 35 Mph. Becoming northeast 20 to 30 Mph with Gusts to 45 Mph overnight.

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Walnut Canyon Reservoir Temperature Statistics

March Temperature

Corona Airport (9.3 miles)

  • Lowest 2 March, 2026

    46.9 °F

  • Average March

    61.5 °F

  • Highest 1 March, 2026

    84 °F

Climate (2021–Present)

Corona Airport (9.3 miles)

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  • Average Low 2021–2026

    52.2 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    78.1 °F
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