Ridgeline Weather Forecast

    • 69
    • 94

    Increasing Clouds

    • 64
    • 87

    Partly Sunny

    • 60
    • 82

    Mostly Sunny

    • 65
    • 87

    Mostly Sunny

    • 66
    • 93

    Mostly Sunny

    • 67
    • 95

    Mostly Sunny

Today 26 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy this morning. Becoming mostly sunny. Highs 91 to 97. Light Winds becoming southwest 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 26 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy in the evening. Becoming mostly cloudy. Lows 63 to 67. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Ridgeline Temperature Statistics

September Temperature

San Bernardino Intl. Airport (5.6 miles)

  • Lowest 19 September, 2026

    57.2 °F

  • Average September

    73.8 °F

  • Highest 9 September, 2026

    105.8 °F

Climate (2021–2026)

San Bernardino Intl. Airport (5.6 miles)

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  • Average Low 2021–2026

    54.2 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    80.3 °F
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