Rancho Cucamonga Weather Forecast

    • 53
    • 67

    Rain Likely

    • 52
    • 63

    Rain Likely

    • 46
    • 61

    Chance Rain

    • 47
    • 64

    Mostly Sunny

    • 47
    • 69

    Partly Sunny

    • 47
    • 69

    Partly Sunny

    • 48
    • 71

    Mostly Sunny

Today 6 Dec Los Angeles County San Gabriel Valley

Mostly cloudy with a 20 percent chance of Showers. Highs in the mid 60s.

Tonight 6 Dec Los Angeles County San Gabriel Valley

Showers likely in the Evening, then a chance of Showers after midnight. Lows in the lower to mid 50s. Chance of precipitation 70 percent.

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Rancho Cucamonga Temperature Statistics

December Temperature

Corona Airport (14.3 miles)

  • Lowest 2 December, 2019

    37.9 °F
  • Average December

    54.5 °F
  • Highest 2 December, 2019

    72 °F

Climate (2010–Present)

Corona Airport (14.3 miles)

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  • Average Low 2010–Present

    53.4 °F
  • Average 2010–Present

    66.6 °F
  • Average High 2010–Present

    79.6 °F
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