Rancho Cucamonga Weather Forecast
- 59
- 79
Patchy Fog
- 57
- 78
Decreasing Clouds
- 60
- 82
Mostly Sunny
- 60
- 85
Mostly Sunny
- 59
- 82
Mostly Sunny
- 57
- 81
Mostly Sunny
- 61
- 82
Sunny
Today 8 Jun San Bernardino and Riverside County Valleys-The Inland Empire
Partly cloudy with patchy fog this morning. Becoming sunny. Highs 79 to 87. Light Winds becoming southwest 10 Mph this afternoon.
Tonight 8 Jun San Bernardino and Riverside County Valleys-The Inland Empire
Mostly clear this Evening, then partly cloudy with patchy fog and drizzle overnight. Lows 50 to 59. Areas of Winds west 10 to 15 Mph this evening becoming light.
Rancho Cucamonga Temperature Statistics
June Temperature
Ontario International Airport (3.7 miles)
Lowest 3 June, 2024
55.9 °FAverage June
67.7 °FHighest 5 June, 2024
87.1 °F
Climate (2019–Present)
Ontario International Airport (3.7 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
55.6 °FAverage 2019–2024
66.3 °FAverage High 2019–2024
78.9 °F