Etiwanda Weather Forecast

    • 54
    • 77

    Sunny

    • 54
    • 78

    Partly Sunny

    • 50
    • 76

    Partly Sunny

    • 46
    • 70

    Mostly Sunny

    • 44
    • 64

    Chance Rain Showers

    • 43
    • 57

    Chance Rain Showers

Today 25 Nov San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 75 to 80. Areas of Winds north 10 to 20 Mph with Gusts to 30 Mph.

Tonight 25 Nov San Bernardino and Riverside County Valleys-The Inland Empire

Clear. Lows 45 to 48 in wind Sheltered Areas to 48 to 52 in warmer Locations. Areas of Winds east 10 to 15 Mph with Gusts to 30 Mph.

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Etiwanda Temperature Statistics

November Temperature

Ontario International Airport (5.6 miles)

  • Lowest 19 November, 2025

    45 °F

  • Average November

    62.8 °F

  • Highest 10 November, 2025

    93 °F

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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