Rancho Cucamonga Weather Forecast

    • 55
    • 81

    Mostly Sunny

    • 53
    • 80

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

Today 12 Dec San Bernardino and Riverside County Valleys

Mostly clear. Lows 42 to 50 in wind Sheltered Areas to 48 to 58 in warmer Locations. Areas of Winds east 15 Mph with Gusts to 25 Mph.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Rancho Cucamonga Temperature Statistics

December Temperature

Corona Airport (14.3 miles)

  • Lowest 3 December, 2017

    41 °F
  • Average December

    64.9 °F
  • Highest 10 December, 2017

    84 °F

Climate (2010–Present)

Corona Airport (14.3 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2010–Present

    53.8 °F
  • Average 2010–Present

    67.4 °F
  • Average High 2010–Present

    79.9 °F
Get an account to remove ads