West End Weather Forecast

    • 54
    • 74

    Decreasing Clouds

    • 55
    • 81

    Mostly Sunny

    • 58
    • 86

    Mostly Sunny

    • 58
    • 87

    Mostly Sunny

    • 59
    • 87

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

    • 58
    • 84

    Mostly Sunny

Today 17 May San Bernardino and Riverside County Valleys-The Inland Empire

Mostly cloudy this morning. Becoming partly cloudy. Patchy fog this morning. Highs 71 to 76. Areas of Winds south 10 to 20 Mph. Gusts to 30 Mph this afternoon.

Tonight 17 May San Bernardino and Riverside County Valleys-The Inland Empire

Mostly cloudy this evening. Becoming partly cloudy. Patchy fog. Lows 48 to 54. Areas of Winds south 10 to 20 Mph. Gusts to 30 Mph. Becoming 35 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West End Temperature Statistics

May Temperature

Ontario International Airport (5.6 miles)

  • Lowest 6 May, 2026

    49.6 °F

  • Average May

    68.1 °F

  • Highest 11 May, 2026

    96.7 °F

Climate (2021–Present)

Ontario International Airport (5.6 miles)

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  • Average Low 2021–2026

    55.8 °F

  • Average 2021–2026

    67.1 °F

  • Average High 2021–2026

    79.4 °F
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