Del Rosa Weather Forecast
- 58
- 85
Increasing Clouds
- 57
- 85
Mostly Sunny
- 57
- 84
Mostly Sunny
- 58
- 86
Sunny
- 61
- 93
Sunny
- 63
- 97
Hot
- 64
- 98
Hot
Today 18 Jun San Bernardino and Riverside County Valleys-The Inland Empire
Partly cloudy with patchy fog this morning. Becoming sunny. Highs 78 to 85. Areas of Winds south to 10 Mph becoming west with Gusts to 25 Mph this afternoon.
Tonight 18 Jun San Bernardino and Riverside County Valleys-The Inland Empire
Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 51 to 57. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph this evening becoming light.
Del Rosa Temperature Statistics
June Temperature
San Bernardino Intl. Airport (3.7 miles)
Lowest 3 June, 2026
56.5 °FAverage June
71.4 °FHighest 12 June, 2026
100.4 °F
Climate (2021–2026)
San Bernardino Intl. Airport (3.7 miles)
Average Low 2021–2026
54.3 °FAverage 2021–2026
63.3 °FAverage High 2021–2026
80.5 °F