Sierra Lakes Weather Forecast
- 55
- 80
Mostly Sunny
- 58
- 80
Becoming Sunny
- 57
- 81
Mostly Sunny
- 55
- 80
Mostly Sunny
- 54
- 78
Mostly Sunny
- 54
- 79
Mostly Sunny
- 57
- 81
Mostly Sunny
Today 10 May San Bernardino and Riverside County Valleys-The Inland Empire
Mostly sunny. Highs 79 to 84. Areas of Winds west 10 to 15 Mph with Gusts to 30 Mph.
Tonight 10 May San Bernardino and Riverside County Valleys-The Inland Empire
Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 49 to 54. Areas of Winds west 10 to 15 Mph with Gusts to 30 Mph in the evening becoming light.
Sierra Lakes Temperature Statistics
May Temperature
Ontario International Airport (9.3 miles)
Lowest 6 May, 2024
49.6 °FAverage May
63.2 °FHighest 6 May, 2024
78.7 °F
Climate (2019–Present)
Ontario International Airport (9.3 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
55.7 °FAverage 2019–2024
66.3 °FAverage High 2019–2024
78.9 °F