Sierra Vista Park Weather Forecast

    • 48
    • 64

    Chance Rain Showers

    • 50
    • 64

    Mostly Cloudy

    • 55
    • 74

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

    • 61
    • 85

    Sunny

    • 63
    • 89

    Sunny

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

Mostly cloudy this morning. Becoming partly cloudy. Highs 63 to 69. Areas of Winds west 10 to 20 Mph. Gusts to 30 Mph this afternoon.

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

Partly cloudy. A slight chance of Showers this Evening, then a chance of Showers overnight. Lows 43 to 50. Areas of Winds west 10 to 15 Mph with Gusts to 30 Mph. Becoming to 10 Mph overnight. Chance of measurable precipitation 50 percent.

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Sierra Vista Park Temperature Statistics

May Temperature

Ontario International Airport (5.6 miles)

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Climate (2021–Present)

Ontario International Airport (5.6 miles)

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  • Average Low 2021–2026

    55.8 °F

  • Average 2021–2026

    67 °F

  • Average High 2021–2026

    79.4 °F
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