Garcia Park Weather Forecast

    • 62
    • 85

    Mostly Sunny

    • 68
    • 90

    Chance Rain Showers

    • 67
    • 84

    Chance Rain Showers

    • 68
    • 91

    Mostly Sunny

    • 70
    • 92

    Partly Sunny

    • 70
    • 94

    Partly Sunny

    • 67
    • 92

    Mostly Sunny

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

Mostly sunny. Highs 84 to 89. Areas of Winds south to 10 Mph becoming southwest with Gusts to 25 Mph this afternoon.

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

Mostly clear. Lows 56 to 62. Areas of Winds southwest 10 to 15 Mph with Gusts to 25 Mph this evening becoming light.

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Garcia Park Temperature Statistics

September Temperature

Ontario International Airport (5 miles)

  • Lowest 2 September, 2026

    64 °F

  • Average September

    75.3 °F

  • Highest 1 September, 2026

    90.6 °F

Climate (2021–2026)

Ontario International Airport (5 miles)

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  • Average Low 2021–2026

    55.8 °F

  • Average 2021–2026

    67.2 °F

  • Average High 2021–2026

    79.4 °F
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