Walnut Canyon Reservoir Weather Forecast

    • 46
    • 58

    Rain Showers

    • 46
    • 56

    Rain Showers Likely

    • 42
    • 56

    Chance Rain Showers

    • 42
    • 60

    Slight Chance Rain Showers

    • 47
    • 65

    Mostly Cloudy

    • 49
    • 69

    Slight Chance Rain Showers

Today 17 Feb Orange County Inland

Partly cloudy. A slight chance of Showers this Morning, then a chance of Showers this afternoon. Highs around 60. Areas of Winds southwest to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon. Chance of measurable precipitation 50 percent.

Tonight 17 Feb Orange County Inland

Showers. Locally heavy rainfall possible overnight. Lows 44 to 48. Areas of Winds southwest 15 to 25 Mph. Gusts to 40 Mph. Becoming 45 Mph overnight.

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Walnut Canyon Reservoir Temperature Statistics

February Temperature

Corona Airport (9.3 miles)

  • Lowest 14 February, 2026

    39 °F
  • Average February

    61.3 °F
  • Highest 4 February, 2026

    87.1 °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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