Etiwanda Weather Forecast

    • 48
    • 69

    Increasing Clouds

    • 49
    • 65

    Mostly Cloudy

    • 47
    • 56

    Rain Showers

    • 46
    • 56

    Rain Showers

    • 42
    • 55

    Rain Showers Likely

    • 42
    • 58

    Slight Chance Rain Showers

Today 14 Feb San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny this morning. Becoming partly cloudy. Highs 67 to 71. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 14 Feb San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 40 to 43 in wind Sheltered Areas to 42 to 49 in warmer Locations. Areas of Winds south to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Etiwanda Temperature Statistics

February Temperature

Ontario International Airport (5.6 miles)

  • Lowest 2 February, 2026

    48.7 °F

  • Average February

    63.7 °F

  • Highest 4 February, 2026

    87.7 °F

Climate (2021–Present)

Ontario International Airport (5.6 miles)

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  • Average Low 2021–2026

    55.6 °F

  • Average 2021–2026

    66.7 °F

  • Average High 2021–2026

    79.1 °F
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