Santiago Peak Weather Forecast

    • 46
    • 54

    Partly Sunny

    • 47
    • 54

    Mostly Cloudy

    • 49
    • 61

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

Today 16 May Santa Ana Mountains and Foothills

Partly cloudy. Patchy drizzle in the morning. Patchy fog in the morning. Highs 64 to 74. Areas of Winds southwest 10 to 15 Mph. Gusts to 30 Mph in the afternoon.

Tonight 16 May Santa Ana Mountains and Foothills

Mostly clear in the evening. Becoming partly cloudy. Patchy fog. Lows 46 to 55. Areas of Winds south 10 to 15 Mph. Gusts to 30 Mph. Becoming 25 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santiago Peak Temperature Statistics

May Temperature

Corona Airport (13 miles)

  • Lowest 6 May, 2026

    44.1 °F

  • Average May

    64.8 °F

  • Highest 11 May, 2026

    87.1 °F

Climate (2021–Present)

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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