Weather on April 16
Ontario, CA
55 Years of Data
Avg High
75°F
Avg Low
48°F
Warmest
2011
73°F avg
Coldest
1976
47°F avg
About This Date
April 16th in Ontario, CA typically brings pleasant spring weather, with average highs around 75°F and lows near 48°F — a 27°F daily swing. Over 42 years of records, the warmest April 16th was in 2011 (73°F average), while the coldest was 1976 (47°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 10% of April 16th dates historically, with the wettest April 16th recording 1.19" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for April 16th in Ontario, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 53° | 58° | — | — |
| 2024 | 82° | 50° | 66° | — | — |
| 2023 | 73° | 49° | 61° | — | — |
| 2022 | 70° | 51° | 60° | — | — |
| 2021 | 75° | 49° | 62° | — | — |
| 2020 | 76° | 51° | 63° | — | — |
| 2019 | 67° | 56° | 61° | — | — |
| 2018 | 66° | 48° | 57° | — | — |
| 2017 | 82° | 53° | 68° | — | — |
| 2016 | 85° | 58° | 71° | — | — |
| 2015 | 82° | 59° | 71° | — | — |
| 2014 | 80° | 52° | 66° | — | — |
| 2013 | 65° | 47° | 56° | — | — |
| 2012 | 81° | 48° | 64° | — | — |
| 2011warmest | 92° | 55° | 73° | — | — |
| 2010 | 72° | 48° | 60° | — | — |
| 2009 | 69° | 43° | 56° | — | — |
| 2008 | 75° | 51° | 63° | — | — |
| 2007 | 70° | 48° | 59° | — | — |
| 2006 | 65° | 52° | 58° | — | — |
| 2005 | 87° | 53° | 70° | — | — |
| 2004 | 71° | 51° | 61° | — | — |
| 2003 | 69° | 44° | 57° | — | — |
| 2002 | 66° | 48° | 57° | — | — |
| 2001 | 78° | 50° | 64° | — | — |
| 2000 | 71° | 48° | 60° | — | — |
| 1999 | 90° | 52° | 71° | — | — |
| 1998 | 69° | 35° | 52° | — | — |
| 1984 | 95° | 48° | 72° | — | — |
| 1983 | 83° | 38° | 60° | — | — |
| 1982 | 67° | 47° | 57° | — | — |
| 1981 | 81° | 43° | 62° | — | — |
| 1980 | 92° | 52° | 72° | — | — |
| 1979 | 72° | 50° | 61° | — | — |
| 1978 | 60° | 48° | 54° | 1.19" | — |
| 1977 | 80° | 47° | 63° | — | — |
| 1976coldest | 60° | 34° | 47° | 0.08" | — |
| 1975 | 57° | 40° | 48° | 0.1" | — |
| 1974 | 80° | 49° | 64° | — | — |
| 1973 | 72° | 40° | 56° | — | — |
| 1972 | 77° | 44° | 61° | — | — |
| 1971 | 62° | 51° | 57° | 0.08" | — |
42 years of data from ONTARIO INTL AP