Crestmore Weather Forecast
- 68
- 97
Hot
- 63
- 91
Partly Sunny
- 64
- 82
Mostly Sunny
- 65
- 88
Mostly Sunny
- 65
- 89
Mostly Sunny
- 66
- 92
Mostly Sunny
Today 26 Sep San Bernardino and Riverside County Valleys-The Inland Empire
Partly cloudy in the morning. Becoming mostly sunny. Highs 91 to 97. Light Winds becoming southwest 10 to 15 Mph with Gusts to 25 Mph in the afternoon.
Tonight 26 Sep San Bernardino and Riverside County Valleys-The Inland Empire
Partly cloudy in the evening. Becoming mostly cloudy. Lows 63 to 67. Areas of Winds west to 10 Mph in the evening becoming light.
Crestmore Temperature Statistics
September Temperature
Riverside Municipal Airport (5.6 miles)
Lowest 5 September, 2026
59.6 °FAverage September
78.6 °FHighest 9 September, 2026
110.6 °F
Climate (2021–2026)
Riverside Municipal Airport (5.6 miles)
Average Low 2021–2026
55 °FAverage 2021–2026
67.3 °FAverage High 2021–2026
80.4 °F