Downtown Riverside Weather Forecast
- 55
- 70
Decreasing Clouds
- 54
- 78
Sunny
- 57
- 80
Mostly Sunny
- 56
- 82
Mostly Sunny
- 55
- 79
Partly Sunny
- 56
- 77
Partly Sunny
Today 23 Oct San Bernardino and Riverside County Valleys-The Inland Empire
Partly cloudy with a slight chance of Showers. Highs 65 to 71. Light Winds becoming west 10 Mph this afternoon. Chance of measurable precipitation 20 percent.
Tonight 23 Oct San Bernardino and Riverside County Valleys-The Inland Empire
Partly cloudy with a slight chance of Showers in the Evening, then mostly clear overnight. Lows 49 to 55. Light Winds. Chance of measurable precipitation 20 percent.
Downtown Riverside Temperature Statistics
October Temperature
Riverside Municipal Airport (3.7 miles)
Lowest 13 October, 2026
51.7 °FAverage October
77.4 °FHighest 2 October, 2026
105.7 °F
Climate (2021–2026)
Riverside Municipal Airport (3.7 miles)
Average Low 2021–2026
55.1 °FAverage 2021–2026
67.4 °FAverage High 2021–2026
80.5 °F