Weather on June 16
Rancho Cucamonga, CA
55 Years of Data
Avg High
87°F
Avg Low
58°F
Warmest
1981
87°F avg
Coldest
1973
62°F avg
About This Date
June 16th 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 16th was in 1981 (87°F average), while the coldest was 1973 (62°F) — a 25°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for June 16th in Rancho Cucamonga, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 97° | 65° | 81° | — | — |
| 2024 | 87° | 62° | 75° | — | — |
| 2023 | 81° | 61° | 71° | — | — |
| 2022 | 93° | 62° | 78° | — | — |
| 2021 | 97° | 71° | 84° | — | — |
| 2020 | 80° | 61° | 70° | — | — |
| 2019 | 85° | 65° | 75° | — | — |
| 2018 | 75° | 60° | 68° | — | — |
| 2017 | 99° | 65° | 82° | — | — |
| 2016 | 84° | 54° | 69° | — | — |
| 2015 | 92° | 61° | 76° | — | — |
| 2014 | 83° | 61° | 72° | — | — |
| 2013 | 86° | 57° | 72° | — | — |
| 2012 | 89° | 57° | 73° | — | — |
| 2011 | 77° | 58° | 67° | — | — |
| 2010 | 80° | 57° | 69° | — | — |
| 2009 | 80° | 58° | 69° | — | — |
| 2008 | 99° | 63° | 81° | — | — |
| 2007 | 91° | 60° | 76° | — | — |
| 2006 | 101° | 62° | 81° | — | — |
| 2005 | 76° | 61° | 68° | — | — |
| 2004 | 78° | 61° | 69° | — | — |
| 2003 | 90° | 59° | 74° | — | — |
| 2002 | 93° | 60° | 77° | — | — |
| 2001 | 95° | 61° | 78° | — | — |
| 2000 | 85° | 61° | 73° | — | — |
| 1999 | 89° | 56° | 72° | — | — |
| 1998 | 65° | 59° | 62° | — | — |
| 1984 | 90° | 47° | 68° | — | — |
| 1983 | 91° | 56° | 73° | — | — |
| 1982 | 77° | 54° | 65° | — | — |
| 1981warmest | 105° | 68° | 87° | — | — |
| 1980 | 91° | 56° | 73° | — | — |
| 1979 | 83° | 50° | 66° | — | — |
| 1978 | 89° | 49° | 69° | — | — |
| 1977 | 87° | 52° | 69° | — | — |
| 1976 | 92° | 57° | 74° | — | — |
| 1975 | 74° | 54° | 64° | — | — |
| 1974 | 89° | 54° | 71° | — | — |
| 1973coldest | 77° | 46° | 62° | — | — |
| 1972 | 86° | 60° | 73° | — | — |
| 1971 | 92° | 51° | 71° | — | — |
42 years of data from ONTARIO INTL AP