Walnut Canyon Reservoir Weather Forecast

    • 68
    • 91

    Mostly Sunny

    • 70
    • 94

    Mostly Sunny

    • 67
    • 92

    Mostly Sunny

    • 66
    • 86

    Partly Sunny

    • 66
    • 85

    Partly Sunny

    • 66
    • 86

    Mostly Sunny

Today 14 Jul Orange County Inland

Mostly sunny. Highs 84 to 89 towards the coast to 90 to 93 farther inland. Areas of Winds west to 10 Mph.

Tonight 14 Jul Orange County Inland

Mostly clear. Lows 64 to 70. Areas of Winds west to 10 Mph in the evening becoming light.

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Walnut Canyon Reservoir Temperature Statistics

July Temperature

Corona Airport (9.3 miles)

  • Lowest 3 July, 2026

    53.1 °F

  • Average July

    71.1 °F

  • Highest 7 July, 2026

    93 °F

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

    78.3 °F
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