Cajon Weather Forecast

    • 54
    • 73

    Increasing Clouds

    • 57
    • 77

    Partly Sunny

    • 58
    • 78

    Sunny

    • 58
    • 80

    Sunny

    • 60
    • 81

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

Today 4 Nov San Bernardino and Riverside County Valleys-The Inland Empire

Patchy fog this morning. Mostly sunny. Highs 70 to 75. Light Winds.

Tonight 4 Nov San Bernardino and Riverside County Valleys-The Inland Empire

Clear in the evening. Becoming partly cloudy. Lows 50 to 54. Areas of Winds northeast to 10 Mph.

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Cajon Temperature Statistics

November Temperature

San Bernardino Intl. Airport (6.2 miles)

  • Lowest 2 November, 2026

    47.5 °F

  • Average November

    56.9 °F

  • Highest 2 November, 2026

    73.4 °F

Climate (2021–2026)

San Bernardino Intl. Airport (6.2 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    63.3 °F

  • Average High 2021–2026

    80.4 °F
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