W Greenway Park Weather Forecast

    • 60
    • 89

    Increasing Clouds

    • 57
    • 83

    Mostly Cloudy

    • 57
    • 81

    Mostly Sunny

    • 58
    • 82

    Mostly Sunny

    • 59
    • 82

    Mostly Sunny

    • 60
    • 85

    Mostly Sunny

    • 60
    • 87

    Sunny

Today 5 Jun San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 87 to 94. Areas of Winds west to 10 Mph becoming southwest with Gusts to 25 Mph this afternoon.

Tonight 5 Jun San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear this evening. Becoming partly cloudy. Lows 55 to 59. Areas of Winds west 10 Mph with Gusts to 25 Mph this evening becoming light.

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W Greenway Park Temperature Statistics

June Temperature

Ontario International Airport (3.7 miles)

  • Lowest 3 June, 2026

    57.9 °F

  • Average June

    71.6 °F

  • Highest 1 June, 2026

    86.6 °F

Climate (2021–Present)

Ontario International Airport (3.7 miles)

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  • Average Low 2021–2026

    55.8 °F

  • Average 2021–2026

    67.1 °F

  • Average High 2021–2026

    79.4 °F
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