Rancho Mira Loma Park Weather Forecast

    • 53
    • 79

    Mostly Sunny

    • 55
    • 77

    Partly Sunny

    • 51
    • 68

    Chance Rain Showers

    • 51
    • 68

    Partly Sunny

    • 50
    • 73

    Partly Sunny

    • 52
    • 73

    Partly Sunny

Today 23 Apr San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy this morning. Becoming mostly sunny. Warmer. Highs 75 to 81. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 23 Apr San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 44 to 48 in wind Sheltered Areas to 46 to 53 in warmer Locations. Areas of Winds west 10 to 15 Mph with Gusts to 30 Mph becoming southeast overnight.

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  • Temperature Real-Time

Rancho Mira Loma Park Temperature Statistics

April Temperature

Ontario International Airport (3.7 miles)

  • Lowest 13 April, 2026

    49.6 °F

  • Average April

    67.3 °F

  • Highest 4 April, 2026

    89.7 °F

Climate (2021–Present)

Ontario International Airport (3.7 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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