Etiwanda Weather Forecast

    • 47
    • 70

    Increasing Clouds

    • 44
    • 61

    Mostly Cloudy

    • 42
    • 55

    Chance Rain Showers

    • 43
    • 58

    Mostly Cloudy

    • 38
    • 51

    Chance Rain Showers

    • 38
    • 51

    Slight Chance Rain Showers

Today 21 Jan San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 68 to 73. Light Winds.

Tonight 21 Jan San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 39 to 46. Light Winds.

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Etiwanda Temperature Statistics

January Temperature

Ontario International Airport (5.6 miles)

  • Lowest 4 January, 2021

    42.1 °F

  • Average January

    59.9 °F

  • Highest 15 January, 2021

    88 °F

Climate (2010–Present)

Ontario International Airport (5.6 miles)

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  • Average Low 2010–Present

    56.5 °F

  • Average 2010–Present

    66.8 °F

  • Average High 2010–Present

    79.8 °F
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