Weather on October 26
Rancho Cucamonga, CA
55 Years of Data
Avg High
78°F
Avg Low
53°F
Warmest
2017
80°F avg
Coldest
1971
51°F avg
About This Date
October 26th in Rancho Cucamonga, CA typically brings pleasant fall weather, with average highs around 78°F and lows near 53°F — a 25°F daily swing. Over 41 years of records, the warmest October 26th was in 2017 (80°F average), while the coldest was 1971 (51°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 2% of October 26th dates historically, with the wettest October 26th recording 2.64" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for October 26th in Rancho Cucamonga, CA? Great weather for outdoor activities.
Warming Trend
1.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 53° | 63° | — | — |
| 2024 | 89° | 59° | 74° | — | — |
| 2023 | 73° | 58° | 65° | — | — |
| 2022 | 75° | 51° | 63° | — | — |
| 2021 | 73° | 53° | 63° | — | — |
| 2020 | 70° | 49° | 59° | — | — |
| 2019 | 90° | 60° | 75° | — | — |
| 2018 | 93° | 59° | 76° | — | — |
| 2017warmest | 95° | 64° | 80° | — | — |
| 2016 | 82° | 55° | 69° | — | — |
| 2015 | 91° | 57° | 74° | — | — |
| 2014 | 77° | 54° | 65° | — | — |
| 2013 | 90° | 53° | 71° | — | — |
| 2012 | 87° | 55° | 71° | — | — |
| 2011 | 71° | 51° | 61° | — | — |
| 2010 | 71° | 50° | 61° | — | — |
| 2009 | 89° | 59° | 74° | — | — |
| 2008 | 92° | 54° | 73° | — | — |
| 2007 | 84° | 57° | 71° | — | — |
| 2006 | 84° | 53° | 69° | — | — |
| 2005 | 72° | 54° | 63° | — | — |
| 2004 | 65° | 53° | 59° | 2.64" | — |
| 2003 | 91° | 66° | 79° | — | — |
| 2002 | 64° | 53° | 59° | — | — |
| 2001 | 88° | 54° | 71° | — | — |
| 2000 | 67° | 48° | 57° | — | — |
| 1999 | 84° | 57° | 71° | — | — |
| 1998 | 70° | 47° | 58° | — | — |
| 1983 | 89° | 62° | 76° | — | — |
| 1982 | 72° | 56° | 64° | — | — |
| 1981 | 73° | 54° | 63° | — | — |
| 1980 | 77° | 47° | 62° | — | — |
| 1979 | 74° | 49° | 61° | — | — |
| 1978 | 80° | 48° | 64° | — | — |
| 1977 | 81° | 55° | 68° | — | — |
| 1976 | 73° | 46° | 60° | — | — |
| 1975 | 71° | 42° | 57° | — | — |
| 1974 | 60° | 49° | 54° | — | — |
| 1973 | 81° | 47° | 64° | — | — |
| 1972 | 72° | 45° | 58° | — | — |
| 1971coldest | 62° | 40° | 51° | — | — |
41 years of data from ONTARIO INTL AP