Curtis Weather Forecast
- 71
- 99
Hot
- 72
- 100
Hot
- 73
- 102
Hot
- 73
- 103
Hot
- 72
- 102
Hot
- 72
- 101
Hot
Today 17 Aug San Bernardino and Riverside County Valleys-The Inland Empire
Mostly sunny. Highs 93 to 100. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph this afternoon.
Tonight 17 Aug San Bernardino and Riverside County Valleys-The Inland Empire
Mostly clear. Lows 64 to 69. Areas of Winds west to 10 Mph in the evening becoming light.
Curtis Temperature Statistics
August Temperature
San Bernardino Intl. Airport (1.2 miles)
Lowest 15 August, 2026
63.9 °FAverage August
79 °FHighest 1 August, 2026
104 °F
Climate (2021–2026)
San Bernardino Intl. Airport (1.2 miles)
Average Low 2021–2026
54.2 °FAverage 2021–2026
63.2 °FAverage High 2021–2026
80.3 °F