D Street Park Weather Forecast

    • 50
    • 66

    Increasing Clouds

    • 44
    • 65

    Partly Sunny

    • 45
    • 67

    Partly Sunny

    • 44
    • 70

    Mostly Sunny

    • 47
    • 71

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

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

Partly cloudy. Highs 64 to 68. Light Winds becoming west 10 to 15 Mph this afternoon.

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

Partly cloudy in the evening. Becoming mostly cloudy. Lows 45 to 50. Areas of Winds west 10 Mph in the evening becoming light.

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D Street Park Temperature Statistics

January Temperature

Ontario International Airport (2.5 miles)

  • Lowest 11 January, 2026

    43 °F

  • Average January

    59.7 °F

  • Highest 14 January, 2026

    84 °F

Climate (2021–Present)

Ontario International Airport (2.5 miles)

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  • Average Low 2021–2026

    55.6 °F

  • Average 2021–2026

    66.6 °F

  • Average High 2021–2026

    78.9 °F
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