Santiago Peak Weather Forecast

    • 62
    • 69

    Mostly Sunny

    • 65
    • 72

    Mostly Sunny

    • 66
    • 75

    Mostly Sunny

    • 69
    • 76

    Mostly Sunny

    • 71
    • 79

    Mostly Sunny

    • 71
    • 79

    Mostly Sunny

Today 14 Aug Santa Ana Mountains and Foothills

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 77 to 87. Light Winds becoming southwest 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 14 Aug Santa Ana Mountains and Foothills

Mostly clear in the evening. Becoming partly cloudy. Lows 54 to 61. Areas of Winds southwest 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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Santiago Peak Temperature Statistics

August Temperature

Corona Airport (13 miles)

  • Lowest 5 August, 2026

    60.1 °F

  • Average August

    77.5 °F

  • Highest 8 August, 2026

    99 °F

Climate (2021–2026)

Corona Airport (13 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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