Rancho Mira Loma Park Weather Forecast

    • 60
    • 84

    Mostly Sunny

    • 61
    • 86

    Mostly Sunny

    • 63
    • 90

    Mostly Sunny

    • 64
    • 91

    Mostly Sunny

    • 63
    • 91

    Mostly Sunny

Today 6 Jun San Bernardino and Riverside County Valleys-The Inland Empire

Patchy fog in the morning. Partly cloudy with patchy drizzle in the Morning, then mostly sunny in the afternoon. Highs 83 to 89. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph in the afternoon.

Tonight 6 Jun San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy. Patchy fog overnight. Lows 56 to 61. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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Rancho Mira Loma Park Temperature Statistics

June Temperature

Ontario International Airport (3.7 miles)

  • Lowest 3 June, 2025

    60.1 °F

  • Average June

    71.7 °F

  • Highest 1 June, 2025

    89.1 °F

Climate (2020–Present)

Ontario International Airport (3.7 miles)

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  • Average Low 2020–2025

    55.5 °F

  • Average 2020–2025

    66.6 °F

  • Average High 2020–2025

    79.1 °F
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