W Greenway Park Weather Forecast

    • 54
    • 61

    Rain

    • 52
    • 62

    Rain Showers

    • 46
    • 58

    Rain Showers Likely

    • 44
    • 59

    Chance Rain Showers

    • 46
    • 62

    Mostly Sunny

    • 49
    • 66

    Slight Chance Rain Showers

    • 51
    • 69

    Chance Rain Showers

Today 24 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Rain and a slight chance of Thunderstorms. Rain may be heavy at Times. Highs 62 to 66. Areas of Winds south 20 to 30 Mph. Gusts to 40 Mph. Becoming 45 Mph this afternoon.

Tonight 24 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Rain and a slight chance of Thunderstorms this Evening, then a chance of Showers overnight. Rain may be heavy at Times this evening. Lows 48 to 53. Areas of Winds southwest 10 to 15 Mph. Gusts to 30 Mph. Becoming 25 Mph overnight.

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W Greenway Park Temperature Statistics

December Temperature

Ontario International Airport (3.7 miles)

  • Lowest 20 December, 2025

    45 °F

  • Average December

    61.2 °F

  • Highest 10 December, 2025

    84.9 °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 °F
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