Etiwanda Weather Forecast

    • 53
    • 78

    Mostly Sunny

    • 52
    • 73

    Partly Sunny

    • 55
    • 75

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

    • 59
    • 83

    Partly Sunny

Today 4 Nov San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy in the morning. Becoming sunny. Highs 77 to 82. Light Winds becoming southwest to 10 Mph in the afternoon.

Tonight 4 Nov San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 46 to 49 in wind Sheltered Areas to 48 to 53 in warmer Locations. Light Winds.

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Etiwanda Temperature Statistics

November Temperature

Ontario International Airport (5.6 miles)

  • Lowest 1 November, 2025

    55.9 °F

  • Average November

    67.5 °F

  • Highest 1 November, 2025

    84.9 °F

Climate (2020–Present)

Ontario International Airport (5.6 miles)

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  • Average Low 2020–2025

    55.4 °F

  • Average 2020–2025

    66.5 °F

  • Average High 2020–2025

    78.9 °F
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