Weather on October 11
Rancho Cucamonga, CA
55 Years of Data
Avg High
81°F
Avg Low
55°F
Warmest
2015
84°F avg
Coldest
1975
56°F avg
About This Date
October 11th in Rancho Cucamonga, CA typically brings warm fall weather, with average highs around 81°F and lows near 55°F — a 26°F daily swing. Over 41 years of records, the warmest October 11th was in 2015 (84°F average), while the coldest was 1975 (56°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 7% of October 11th dates historically. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for October 11th in Rancho Cucamonga, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 62° | 73° | — | — |
| 2024 | 93° | 63° | 78° | — | — |
| 2023 | 76° | 59° | 67° | — | — |
| 2022 | 80° | 63° | 71° | — | — |
| 2021 | 72° | 55° | 63° | — | — |
| 2020 | 83° | 59° | 71° | — | — |
| 2019 | 85° | 57° | 71° | — | — |
| 2018 | 75° | 60° | 68° | — | — |
| 2017 | 83° | 56° | 69° | — | — |
| 2016 | 76° | 57° | 66° | — | — |
| 2015warmest | 98° | 70° | 84° | — | — |
| 2014 | 89° | 59° | 74° | — | — |
| 2013 | 77° | 50° | 64° | — | — |
| 2012 | 68° | 54° | 61° | 0.41" | — |
| 2011 | 87° | 56° | 71° | — | — |
| 2010 | 91° | 61° | 76° | — | — |
| 2009 | 70° | 52° | 61° | — | — |
| 2008 | 69° | 49° | 59° | — | — |
| 2007 | 77° | 54° | 65° | — | — |
| 2006 | 81° | 53° | 67° | — | — |
| 2005 | 80° | 56° | 68° | — | — |
| 2004 | 80° | 54° | 67° | — | — |
| 2003 | 90° | 58° | 74° | — | — |
| 2002 | 74° | 58° | 66° | — | — |
| 2001 | 84° | 54° | 69° | — | — |
| 2000 | 63° | 51° | 57° | 0.2" | — |
| 1999 | 94° | 59° | 76° | — | — |
| 1998 | 83° | 51° | 67° | — | — |
| 1983 | 89° | 53° | 71° | — | — |
| 1982 | 84° | 65° | 74° | — | — |
| 1981 | 71° | 51° | 61° | — | — |
| 1980 | 92° | 51° | 71° | — | — |
| 1979 | 78° | 55° | 67° | — | — |
| 1978 | 93° | 58° | 75° | — | — |
| 1977 | 89° | 51° | 70° | — | — |
| 1976 | 85° | 56° | 70° | — | — |
| 1975coldest | 67° | 45° | 56° | 0.28" | — |
| 1974 | 70° | 46° | 58° | — | — |
| 1973 | 77° | 42° | 60° | — | — |
| 1972 | 79° | 45° | 62° | — | — |
| 1971 | 99° | 62° | 80° | — | — |
41 years of data from ONTARIO INTL AP