Today 28 May San Bernardino and Riverside County Valleys-The Inland Empire
Mostly cloudy in the morning. Becoming partly cloudy. Patchy fog in the morning. Patchy drizzle in the morning. Highs 71 to 76. Light Winds becoming west 15 Mph with Gusts to 25 Mph in the afternoon.
Tonight 28 May San Bernardino and Riverside County Valleys-The Inland Empire
Partly cloudy in the evening. Becoming mostly cloudy. Patchy fog overnight. Lows 49 to 55. Areas of Winds southwest 15 Mph with Gusts to 25 Mph in the evening becoming light.
Rancho Cucamonga Temperature Statistics
Ontario International Airport (3.7 miles)
Lowest 11 May, 202248 °F
Average May65.9 °F
Highest 14 May, 202297 °F
Ontario International Airport (3.7 miles)Take a look at our website widgetsAvailable free! Find Out More
Average Low 2010–Present56 °F
Average 2010–Present66.3 °F
Average High 2010–Present79.3 °F