Etiwanda Weather Forecast

    • 51
    • 70

    Blowing Dust

    • 53
    • 70

    Blowing Dust

    • 56
    • 73

    Blowing Dust

    • 57
    • 81

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

    • 58
    • 81

    Sunny

Today 5 Mar San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 69 to 73. Areas of Winds north 15 to 25 Mph with Gusts to 40 Mph.

Tonight 5 Mar San Bernardino and Riverside County Valleys-The Inland Empire

Clear. Lows 35 to 41 in wind Sheltered Areas to 40 to 50 in warmer Locations. Areas of Winds north 10 to 20 Mph. Gusts to 30 Mph. Becoming 40 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Etiwanda Temperature Statistics

March Temperature

Ontario International Airport (5.6 miles)

  • Lowest 3 March, 2026

    51.1 °F

  • Average March

    64.5 °F

  • Highest 1 March, 2026

    82.9 °F

Climate (2021–Present)

Ontario International Airport (5.6 miles)

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  • Average Low 2021–2026

    55.7 °F

  • Average 2021–2026

    66.8 °F

  • Average High 2021–2026

    79.1 °F
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