Chance Rain Showers
Today 20 Sep San Bernardino and Riverside County Valleys
Cloudy in the morning. Becoming mostly sunny. Patchy fog in the morning. Highs 77 to 82. Light Winds becoming southwest 15 Mph with Gusts to 25 Mph in the afternoon.
Tonight 20 Sep San Bernardino and Riverside County Valleys
Mostly clear in the evening. Becoming cloudy. Lows 51 to 61. Areas of Winds southwest 15 Mph with Gusts to 25 Mph in the evening becoming light.
Rialto Temperature Statistics
Corona Airport (19.3 miles)
Lowest 18 September, 201753.1 °F
Average September76.2 °F
Highest 1 September, 2017108 °F
Corona Airport (19.3 miles)Take a look at our website widgetsAvailable free! Find Out More
Average Low 2010–Present53.8 °F
Average 2010–Present67.3 °F
Average High 2010–Present79.8 °F