Santiago Peak Weather Forecast

    • 52
    • 61

    Decreasing Clouds

    • 51
    • 61

    Mostly Sunny

    • 56
    • 66

    Mostly Sunny

    • 59
    • 70

    Mostly Sunny

    • 63
    • 72

    Mostly Sunny

    • 65
    • 72

    Mostly Sunny

Today 30 Jun Santa Ana Mountains and Foothills

Mostly cloudy this morning. Becoming mostly sunny. Patchy fog this morning. Highs 67 to 77. Areas of Winds southwest to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 30 Jun Santa Ana Mountains and Foothills

Partly cloudy in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 48 to 54. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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Santiago Peak Temperature Statistics

June Temperature

Corona Airport (13 miles)

  • Lowest 20 June, 2026

    50 °F

  • Average June

    69.1 °F

  • Highest 12 June, 2026

    96.1 °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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