Weather on June 2
Ontario, CA
55 Years of Data
Avg High
80°F
Avg Low
56°F
Warmest
2006
79°F avg
Coldest
1971
56°F avg
About This Date
June 2nd in Ontario, CA typically brings warm summer weather, with average highs around 80°F and lows near 56°F. Over 42 years of records, the warmest June 2nd was in 2006 (79°F average), while the coldest was 1971 (56°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 2nd dates historically, with the wettest June 2nd recording 0.61" of rain. The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
Planning for June 2nd in Ontario, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 61° | 72° | — | — |
| 2024 | 70° | 56° | 63° | — | — |
| 2023 | 76° | 57° | 66° | — | — |
| 2022 | 89° | 58° | 73° | — | — |
| 2021 | 91° | 61° | 76° | — | — |
| 2020 | 91° | 65° | 78° | — | — |
| 2019 | 73° | 60° | 67° | — | — |
| 2018 | 89° | 58° | 73° | — | — |
| 2017 | 93° | 57° | 75° | — | — |
| 2016 | 96° | 59° | 78° | — | — |
| 2015 | 84° | 57° | 71° | — | — |
| 2014 | 87° | 58° | 72° | — | — |
| 2013 | 83° | 61° | 72° | — | — |
| 2012 | 86° | 59° | 73° | — | — |
| 2011 | 76° | 50° | 63° | — | — |
| 2010 | 82° | 57° | 70° | — | — |
| 2009 | 87° | 60° | 74° | — | — |
| 2008 | 81° | 56° | 68° | — | — |
| 2007 | 81° | 57° | 69° | — | — |
| 2006warmest | 95° | 62° | 79° | — | — |
| 2005 | 67° | 57° | 62° | — | — |
| 2004 | 91° | 60° | 76° | — | — |
| 2003 | 84° | 59° | 72° | — | — |
| 2002 | 76° | 57° | 66° | — | — |
| 2001 | 68° | 59° | 64° | — | — |
| 2000 | 89° | 57° | 73° | — | — |
| 1999 | 61° | 51° | 56° | 0.61" | — |
| 1998 | 78° | 52° | 65° | — | — |
| 1984 | 82° | 58° | 70° | — | — |
| 1983 | 65° | 53° | 59° | — | — |
| 1982 | 71° | 50° | 61° | — | — |
| 1981 | 82° | 61° | 71° | — | — |
| 1980 | 67° | 47° | 57° | — | — |
| 1979 | 78° | 56° | 67° | — | — |
| 1978 | 76° | 51° | 63° | — | — |
| 1977 | 88° | 53° | 70° | — | — |
| 1976 | 82° | 51° | 67° | — | — |
| 1975 | 80° | 47° | 63° | — | — |
| 1974 | 75° | 46° | 61° | — | — |
| 1973 | 66° | 54° | 60° | — | — |
| 1972 | 84° | 59° | 72° | — | — |
| 1971coldest | 65° | 48° | 56° | — | — |
42 years of data from ONTARIO INTL AP