Mount Vernon Weather Forecast
- 73
- 104
Hot
- 72
- 103
Hot
- 71
- 101
Hot
- 71
- 101
Hot
- 72
- 102
Hot
- 71
- 101
Hot
Today 1 Aug San Bernardino and Riverside County Valleys-The Inland Empire
Mostly sunny. Highs 100 to 107. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph in the afternoon.
Tonight 1 Aug San Bernardino and Riverside County Valleys-The Inland Empire
Mostly clear. Lows 66 to 72. Areas of Winds west to 10 Mph with Gusts to 25 Mph in the evening becoming light.
Mount Vernon Temperature Statistics
August Temperature
San Bernardino Intl. Airport (4.3 miles)
Lowest
–Average August
–Highest
–
Climate (2021–2026)
San Bernardino Intl. Airport (4.3 miles)
Average Low 2021–2026
54.2 °FAverage 2021–2026
63.2 °FAverage High 2021–2026
80.3 °F