Etiwanda Weather Forecast

    • 45
    • 68

    Increasing Clouds

    • 45
    • 65

    Breezy

    • 45
    • 67

    Mostly Sunny

    • 47
    • 69

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 50
    • 72

    Mostly Sunny

Today 2 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 66 to 71. Light Winds becoming west 10 Mph in the afternoon.

Tonight 2 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 41 to 45. Areas of Winds west 10 Mph in the evening becoming light.

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Etiwanda Temperature Statistics

December Temperature

Ontario International Airport (5.6 miles)

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Climate (2020–Present)

Ontario International Airport (5.6 miles)

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  • Average Low 2020–2025

    55.5 °F

  • Average 2020–2025

    66.6 °F

  • Average High 2020–2025

    78.9 °F
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