Weather on October 13
Rancho Cucamonga, CA
55 Years of Data
Avg High
83°F
Avg Low
56°F
Warmest
2015
83°F avg
Coldest
1975
55°F avg
About This Date
October 13th in Rancho Cucamonga, CA typically brings warm fall weather, with average highs around 83°F and lows near 56°F — a 27°F daily swing. Over 41 years of records, the warmest October 13th was in 2015 (83°F average), while the coldest was 1975 (55°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 5% of October 13th dates historically, with the wettest October 13th recording 0.84" of rain. The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
Planning for October 13th 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 | 70° | 58° | 64° | — | — |
| 2024 | 82° | 57° | 70° | — | — |
| 2023 | 84° | 56° | 70° | — | — |
| 2022 | 79° | 60° | 69° | — | — |
| 2021 | 80° | 51° | 66° | — | — |
| 2020 | 99° | 67° | 83° | — | — |
| 2019 | 82° | 52° | 67° | — | — |
| 2018 | 62° | 60° | 61° | — | — |
| 2017 | 83° | 56° | 69° | — | — |
| 2016 | 82° | 54° | 68° | — | — |
| 2015warmest | 93° | 74° | 83° | — | — |
| 2014 | 89° | 58° | 73° | — | — |
| 2013 | 72° | 54° | 63° | — | — |
| 2012 | 79° | 53° | 66° | — | — |
| 2011 | 100° | 64° | 82° | — | — |
| 2010 | 97° | 58° | 77° | — | — |
| 2009 | 68° | 58° | 63° | 0.08" | — |
| 2008 | 75° | 59° | 67° | — | — |
| 2007 | 68° | 54° | 61° | 0.84" | — |
| 2006 | 73° | 57° | 65° | — | — |
| 2005 | 97° | 56° | 76° | — | — |
| 2004 | 87° | 59° | 73° | — | — |
| 2003 | 94° | 60° | 77° | — | — |
| 2002 | 85° | 50° | 67° | — | — |
| 2001 | 92° | 56° | 74° | — | — |
| 2000 | 76° | 49° | 62° | — | — |
| 1999 | 100° | 60° | 80° | — | — |
| 1998 | 77° | 54° | 65° | — | — |
| 1983 | 77° | 52° | 64° | — | — |
| 1982 | 87° | 51° | 69° | — | — |
| 1981 | 67° | 43° | 55° | — | — |
| 1980 | 75° | 58° | 66° | — | — |
| 1979 | 73° | 48° | 61° | — | — |
| 1978 | 96° | 61° | 78° | — | — |
| 1977 | 90° | 56° | 73° | — | — |
| 1976 | 89° | 59° | 74° | — | — |
| 1975coldest | 69° | 41° | 55° | — | — |
| 1974 | 84° | 49° | 66° | — | — |
| 1973 | 90° | 54° | 72° | — | — |
| 1972 | 78° | 47° | 62° | — | — |
| 1971 | 92° | 59° | 75° | — | — |
41 years of data from ONTARIO INTL AP