Etiwanda Weather Forecast

    • 51
    • 62

    Mostly Cloudy

    • 49
    • 61

    Mostly Cloudy

    • 48
    • 65

    Partly Sunny

    • 52
    • 66

    Mostly Cloudy

    • 52
    • 70

    Mostly Cloudy

    • 51
    • 68

    Mostly Cloudy

Today 27 Mar San Bernardino and Riverside County Valleys-The Inland Empire

Patchy fog this morning. Partly cloudy. Warmer. Highs 64 to 72. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 27 Mar San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy in the Evening, then mostly cloudy with patchy fog and drizzle overnight. Lows 43 to 51. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph in the evening.

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Etiwanda Temperature Statistics

March Temperature

Ontario International Airport (5.6 miles)

  • Lowest 8 March, 2025

    39.7 °F

  • Average March

    56.9 °F

  • Highest 24 March, 2025

    91.9 °F

Climate (2020–Present)

Ontario International Airport (5.6 miles)

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  • Average Low 2020–2025

    55.6 °F

  • Average 2020–2025

    66.6 °F

  • Average High 2020–2025

    79.2 °F
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