Weather on October 5
Rancho Cucamonga, CA
55 Years of Data
Avg High
84°F
Avg Low
57°F
Warmest
2020
82°F avg
Coldest
2011
57°F avg
About This Date
October 5th in Rancho Cucamonga, CA typically brings warm fall weather, with average highs around 84°F and lows near 57°F — a 27°F daily swing. Over 41 years of records, the warmest October 5th was in 2020 (82°F average), while the coldest was 2011 (57°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 10% of October 5th dates historically, with the wettest October 5th recording 2.46" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for October 5th in Rancho Cucamonga, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 56° | 70° | — | — |
| 2024 | 98° | 63° | 80° | — | — |
| 2023 | 99° | 63° | 81° | — | — |
| 2022 | 90° | 62° | 76° | — | — |
| 2021 | 85° | 62° | 73° | 0.18" | — |
| 2020warmest | 98° | 67° | 82° | — | — |
| 2019 | 90° | 54° | 72° | — | — |
| 2018 | 80° | 63° | 71° | — | — |
| 2017 | 90° | 55° | 72° | — | — |
| 2016 | 78° | 58° | 68° | — | — |
| 2015 | 75° | 57° | 66° | 1.22" | — |
| 2014 | 100° | 63° | 81° | — | — |
| 2013 | 92° | 61° | 76° | — | — |
| 2012 | 83° | 58° | 70° | — | — |
| 2011coldest | 60° | 53° | 57° | 2.46" | — |
| 2010 | 64° | 54° | 59° | 0.08" | — |
| 2009 | 71° | 50° | 61° | — | — |
| 2008 | 76° | 58° | 67° | — | — |
| 2007 | 68° | 52° | 60° | — | — |
| 2006 | 77° | 54° | 65° | — | — |
| 2005 | 92° | 65° | 78° | — | — |
| 2004 | 86° | 56° | 71° | — | — |
| 2003 | 82° | 55° | 69° | — | — |
| 2002 | 89° | 54° | 71° | — | — |
| 2001 | 78° | 58° | 68° | — | — |
| 2000 | 80° | 61° | 70° | — | — |
| 1999 | 86° | 56° | 71° | — | — |
| 1998 | 86° | 52° | 69° | — | — |
| 1983 | 74° | 59° | 66° | — | — |
| 1982 | 81° | 54° | 67° | — | — |
| 1981 | 80° | 48° | 64° | — | — |
| 1980 | 88° | 54° | 71° | — | — |
| 1979 | 89° | 59° | 74° | — | — |
| 1978 | 84° | 54° | 69° | — | — |
| 1977 | 89° | 57° | 73° | — | — |
| 1976 | 87° | 55° | 71° | — | — |
| 1975 | 91° | 60° | 76° | — | — |
| 1974 | 73° | 50° | 62° | — | — |
| 1973 | 80° | 51° | 66° | — | — |
| 1972 | 89° | 52° | 70° | — | — |
| 1971 | 95° | 62° | 79° | — | — |
41 years of data from ONTARIO INTL AP