Ontario Weather Forecast

    • 49
    • 72

    Mostly Sunny

    • 51
    • 70

    Increasing Clouds

    • 51
    • 64

    Mostly Cloudy

    • 47
    • 58

    Rain

    • 45
    • 60

    Chance Rain Showers

    • 46
    • 61

    Rain Showers Likely

    • 48
    • 62

    Chance Rain Showers

Today 3 Apr Los Angeles County San Gabriel Valley

Partly cloudy in the morning then sunny. Highs around 70.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ontario Temperature Statistics

April Temperature

Corona Airport (11.8 miles)

  • Lowest 1 April, 2020

    48.9 °F
  • Average April

    61.3 °F
  • Highest 1 April, 2020

    73.9 °F

Climate (2010–Present)

Corona Airport (11.8 miles)

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  • Average Low 2010–Present

    52.5 °F
  • Average 2010–Present

    65.5 °F
  • Average High 2010–Present

    78.5 °F
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