Weather on October 2
Rancho Cucamonga, CA
55 Years of Data
Avg High
85°F
Avg Low
58°F
Warmest
2012
87°F avg
Coldest
1972
61°F avg
About This Date
October 2nd in Rancho Cucamonga, CA typically brings warm fall weather, with average highs around 85°F and lows near 58°F — a 27°F daily swing. Over 41 years of records, the warmest October 2nd was in 2012 (87°F average), while the coldest was 1972 (61°F) — a 26°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
Planning for October 2nd in Rancho Cucamonga, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
2.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 61° | 72° | — | — |
| 2024 | 103° | 67° | 85° | — | — |
| 2023 | 76° | 52° | 64° | — | — |
| 2022 | 85° | 61° | 73° | — | — |
| 2021 | 98° | 61° | 79° | — | — |
| 2020 | 105° | 69° | 87° | — | — |
| 2019 | 86° | 56° | 71° | — | — |
| 2018 | 84° | 67° | 75° | — | — |
| 2017 | 78° | 61° | 69° | — | — |
| 2016 | 80° | 58° | 69° | — | — |
| 2015 | 86° | 64° | 75° | — | — |
| 2014 | 99° | 57° | 78° | — | — |
| 2013 | 80° | 60° | 70° | — | — |
| 2012warmest | 103° | 71° | 87° | — | — |
| 2011 | 89° | 63° | 76° | — | — |
| 2010 | 93° | 67° | 80° | — | — |
| 2009 | 89° | 57° | 73° | — | — |
| 2008 | 91° | 60° | 76° | — | — |
| 2007 | 93° | 59° | 76° | — | — |
| 2006 | 85° | 63° | 74° | — | — |
| 2005 | 85° | 59° | 72° | — | — |
| 2004 | 85° | 57° | 71° | — | — |
| 2003 | 78° | 56° | 67° | — | — |
| 2002 | 72° | 53° | 62° | — | — |
| 2001 | 95° | 65° | 80° | — | — |
| 2000 | 86° | 58° | 72° | — | — |
| 1999 | 85° | 58° | 71° | — | — |
| 1998 | 68° | 58° | 63° | — | — |
| 1983 | 75° | 49° | 62° | — | — |
| 1982 | 88° | 48° | 68° | — | — |
| 1981 | 68° | 58° | 63° | — | — |
| 1980 | 103° | 57° | 80° | — | — |
| 1979 | 93° | 54° | 73° | — | — |
| 1978 | 85° | 53° | 69° | — | — |
| 1977 | 86° | 54° | 70° | — | — |
| 1976 | 70° | 54° | 62° | — | — |
| 1975 | 91° | 58° | 74° | — | — |
| 1974 | 76° | 54° | 65° | — | — |
| 1973 | 72° | 50° | 61° | — | — |
| 1972coldest | 72° | 51° | 61° | — | — |
| 1971 | 82° | 44° | 63° | — | — |
41 years of data from ONTARIO INTL AP