Weather on April 2
Ontario, CA
55 Years of Data
Avg High
71°F
Avg Low
46°F
Warmest
1998
72°F avg
Coldest
1982
46°F avg
About This Date
April 2nd in Ontario, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 46°F — a 25°F daily swing. Over 43 years of records, the warmest April 2nd was in 1998 (72°F average), while the coldest was 1982 (46°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 9% of April 2nd dates historically, with the wettest April 2nd recording 1.85" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for April 2nd in Ontario, CA? Great weather for outdoor activities.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 71° | 56° | 63° | — | — |
| 2025 | 64° | 43° | 53° | — | — |
| 2024 | 78° | 46° | 62° | — | — |
| 2023 | 69° | 45° | 57° | — | — |
| 2022 | 68° | 51° | 60° | — | — |
| 2021 | 82° | 50° | 66° | — | — |
| 2020 | 69° | 53° | 61° | — | — |
| 2019 | 76° | 56° | 66° | — | — |
| 2018 | 67° | 54° | 60° | — | — |
| 2017 | 81° | 50° | 65° | — | — |
| 2016 | 85° | 53° | 69° | — | — |
| 2015 | 77° | 53° | 65° | — | — |
| 2014 | 60° | 47° | 53° | 0.38" | — |
| 2013 | 75° | 53° | 64° | — | — |
| 2012 | 76° | 44° | 60° | — | — |
| 2011 | 75° | 56° | 65° | — | — |
| 2010 | 67° | 43° | 55° | — | — |
| 2009 | 67° | 50° | 58° | — | — |
| 2008 | 65° | 46° | 55° | — | — |
| 2007 | 79° | 50° | 64° | — | — |
| 2006 | 69° | 42° | 56° | — | — |
| 2005 | 81° | 47° | 64° | — | — |
| 2004 | 65° | 47° | 56° | — | — |
| 2003 | 63° | 49° | 56° | — | — |
| 2002 | 69° | 51° | 60° | — | — |
| 2001 | 65° | 51° | 58° | — | — |
| 2000 | 80° | 45° | 62° | — | — |
| 1999 | 60° | 34° | 47° | — | — |
| 1998warmest | 108° | 37° | 72° | — | — |
| 1984 | 70° | 43° | 56° | — | — |
| 1983 | 74° | 40° | 57° | — | — |
| 1982coldest | 59° | 34° | 46° | — | — |
| 1981 | 61° | 47° | 54° | 0.23" | — |
| 1980 | 61° | 43° | 52° | — | — |
| 1979 | 70° | 43° | 56° | — | — |
| 1978 | 61° | 48° | 54° | 0.28" | — |
| 1977 | 58° | 46° | 52° | — | — |
| 1976 | 75° | 39° | 57° | — | — |
| 1975 | 69° | 35° | 52° | — | — |
| 1974 | 66° | 50° | 58° | 1.85" | — |
| 1973 | 67° | 34° | 50° | — | — |
| 1972 | 75° | 45° | 60° | — | — |
| 1971 | 83° | 45° | 64° | — | — |
43 years of data from ONTARIO INTL AP