Glen Helen Regional Park Weather Forecast

    • 49
    • 65

    Becoming Sunny

    • 55
    • 74

    Sunny

    • 56
    • 77

    Sunny

    • 57
    • 79

    Mostly Sunny

    • 54
    • 78

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

Today 15 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Patchy fog this morning. Partly cloudy with a slight chance of Showers this Morning, then mostly sunny this afternoon. Highs 63 to 68. Light Winds becoming west 10 Mph this afternoon. Chance of measurable precipitation 20 percent.

Tonight 15 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Clear. Lows 44 to 49. Areas of Winds west to 10 Mph becoming east overnight.

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Glen Helen Regional Park Temperature Statistics

October Temperature

San Bernardino Intl. Airport (11.8 miles)

  • Lowest 5 October, 2025

    51.8 °F

  • Average October

    65.9 °F

  • Highest 10 October, 2025

    95 °F

Climate (2020–Present)

San Bernardino Intl. Airport (11.8 miles)

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  • Average Low 2020–2025

    54 °F

  • Average 2020–2025

    63.1 °F

  • Average High 2020–2025

    80.3 °F
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