Weather on June 5
Rancho Cucamonga, CA
55 Years of Data
Avg High
82°F
Avg Low
57°F
Warmest
1981
81°F avg
Coldest
1971
61°F avg
About This Date
June 5th in Rancho Cucamonga, CA typically brings warm summer weather, with average highs around 82°F and lows near 57°F — a 25°F daily swing. Over 42 years of records, the warmest June 5th was in 1981 (81°F average), while the coldest was 1971 (61°F) — a 20°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for June 5th in Rancho Cucamonga, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 60° | 70° | — | — |
| 2024 | 88° | 59° | 73° | — | — |
| 2023 | 68° | 56° | 62° | — | — |
| 2022 | 83° | 61° | 72° | — | — |
| 2021 | 89° | 60° | 75° | — | — |
| 2020 | 73° | 62° | 68° | — | — |
| 2019 | 90° | 62° | 76° | — | — |
| 2018 | 80° | 59° | 70° | — | — |
| 2017 | 86° | 58° | 72° | — | — |
| 2016 | 88° | 60° | 74° | — | — |
| 2015 | 76° | 58° | 67° | — | — |
| 2014 | 91° | 60° | 76° | — | — |
| 2013 | 85° | 60° | 72° | — | — |
| 2012 | 77° | 60° | 69° | — | — |
| 2011 | 79° | 52° | 65° | — | — |
| 2010 | 91° | 61° | 76° | — | — |
| 2009 | 70° | 56° | 63° | — | — |
| 2008 | 85° | 54° | 69° | — | — |
| 2007 | 73° | 57° | 65° | — | — |
| 2006 | 83° | 64° | 73° | — | — |
| 2005 | 73° | 60° | 67° | — | — |
| 2004 | 91° | 59° | 75° | — | — |
| 2003 | 71° | 60° | 66° | — | — |
| 2002 | 101° | 59° | 80° | — | — |
| 2001 | 80° | 56° | 68° | — | — |
| 2000 | 90° | 60° | 75° | — | — |
| 1999 | 77° | 46° | 62° | — | — |
| 1998 | 80° | 51° | 66° | — | — |
| 1984 | 70° | 56° | 63° | — | — |
| 1983 | 81° | 50° | 65° | — | — |
| 1982 | 76° | 52° | 64° | — | — |
| 1981warmest | 102° | 61° | 81° | — | — |
| 1980 | 77° | 46° | 62° | — | — |
| 1979 | 79° | 57° | 68° | — | — |
| 1978 | 83° | 52° | 67° | — | — |
| 1977 | 91° | 63° | 77° | — | — |
| 1976 | 77° | 48° | 63° | — | — |
| 1975 | 80° | 48° | 64° | — | — |
| 1974 | 80° | 54° | 67° | — | — |
| 1973 | 96° | 53° | 75° | — | — |
| 1972 | 96° | 62° | 79° | — | — |
| 1971coldest | 77° | 45° | 61° | — | — |
42 years of data from ONTARIO INTL AP