Weather on June 19
Rancho Cucamonga, CA
55 Years of Data
Avg High
87°F
Avg Low
58°F
Warmest
2016
89°F avg
Coldest
1975
54°F avg
About This Date
June 19th in Rancho Cucamonga, CA typically brings warm summer weather, with average highs around 87°F and lows near 58°F — a 29°F daily swing. Over 42 years of records, the warmest June 19th was in 2016 (89°F average), while the coldest was 1975 (54°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 19th dates historically. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for June 19th in Rancho Cucamonga, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 62° | 75° | — | — |
| 2024 | 83° | 59° | 71° | — | — |
| 2023 | 75° | 58° | 66° | — | — |
| 2022 | 85° | 56° | 70° | — | — |
| 2021 | 94° | 66° | 80° | — | — |
| 2020 | 84° | 60° | 72° | — | — |
| 2019 | 91° | 63° | 77° | — | — |
| 2018 | 86° | 56° | 71° | — | — |
| 2017 | 97° | 67° | 82° | — | — |
| 2016warmest | 111° | 67° | 89° | — | — |
| 2015 | 98° | 66° | 82° | — | — |
| 2014 | 92° | 58° | 75° | — | — |
| 2013 | 86° | 59° | 73° | — | — |
| 2012 | 83° | 59° | 71° | — | — |
| 2011 | 74° | 57° | 65° | — | — |
| 2010 | 83° | 56° | 69° | — | — |
| 2009 | 88° | 62° | 75° | — | — |
| 2008 | 105° | 68° | 87° | — | — |
| 2007 | 92° | 57° | 74° | — | — |
| 2006 | 90° | 62° | 76° | — | — |
| 2005 | 85° | 54° | 69° | — | — |
| 2004 | 74° | 59° | 66° | — | — |
| 2003 | 68° | 59° | 64° | — | — |
| 2002 | 87° | 62° | 75° | — | — |
| 2001 | 95° | 63° | 79° | — | — |
| 2000 | 86° | 61° | 73° | — | — |
| 1999 | 91° | 55° | 73° | — | — |
| 1998 | 86° | 58° | 72° | — | — |
| 1984 | 90° | 56° | 73° | — | — |
| 1983 | 83° | 59° | 71° | — | — |
| 1982 | 78° | 57° | 68° | — | — |
| 1981 | 98° | 59° | 79° | — | — |
| 1980 | 89° | 52° | 70° | — | — |
| 1979 | 88° | 50° | 69° | — | — |
| 1978 | 93° | 60° | 77° | — | — |
| 1977 | 81° | 52° | 66° | — | — |
| 1976 | 89° | 56° | 72° | — | — |
| 1975coldest | 60° | 49° | 54° | 0.15" | — |
| 1974 | 83° | 46° | 64° | — | — |
| 1973 | 100° | 60° | 80° | — | — |
| 1972 | 89° | 51° | 70° | — | — |
| 1971 | 90° | 55° | 72° | — | — |
42 years of data from ONTARIO INTL AP