Glen Helen Regional Park Weather Forecast

    • 52
    • 63

    Chance Rain Showers

    • 53
    • 67

    Mostly Cloudy

    • 59
    • 76

    Mostly Sunny

    • 64
    • 83

    Partly Sunny

    • 67
    • 88

    Mostly Sunny

    • 67
    • 90

    Partly Sunny

Today 5 May San Bernardino and Riverside County Valleys-The Inland Empire

Cloudy with a slight chance of Showers this Morning, then mostly cloudy with a chance of Showers and a slight chance of Thunderstorms this afternoon. Warmer. Highs 64 to 69. Light Winds becoming southwest 10 to 15 Mph with Gusts to 25 Mph this afternoon. Chance of measurable precipitation 50 percent.

Tonight 5 May San Bernardino and Riverside County Valleys-The Inland Empire

Mostly cloudy. A slight chance of Showers in the evening. Patchy fog overnight. Lows 45 to 53. Areas of Winds west 10 to 15 Mph. Chance of measurable precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Glen Helen Regional Park Temperature Statistics

May Temperature

San Bernardino Intl. Airport (11.8 miles)

  • Lowest 1 May, 2025

    53.8 °F

  • Average May

    59.5 °F

  • Highest 2 May, 2025

    77 °F

Climate (2020–Present)

San Bernardino Intl. Airport (11.8 miles)

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  • Average Low 2020–2025

    54.2 °F

  • Average 2020–2025

    63.3 °F

  • Average High 2020–2025

    80.7 °F
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