Weather on April 23
Ontario, CA
55 Years of Data
About This Date
April 23rd in Ontario, CA typically brings pleasant spring weather, with average highs around 75°F and lows near 50°F — a 25°F daily swing. Over 43 years of records, the warmest April 23rd was in 2019 (74°F average), while the coldest was 1980 (48°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 14% of April 23rd dates historically. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for April 23rd in Ontario, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 79° | 51° | 65° | — | — |
| 2025 | 65° | 54° | 59° | — | — |
| 2024 | 69° | 53° | 61° | — | — |
| 2023 | 81° | 56° | 68° | — | — |
| 2022 | 79° | 47° | 63° | — | — |
| 2021 | 65° | 53° | 59° | 0.05" | — |
| 2020 | 92° | 55° | 73° | — | — |
| 2019warmest | 92° | 56° | 74° | — | — |
| 2018 | 86° | 56° | 71° | — | — |
| 2017 | 83° | 58° | 70° | — | — |
| 2016 | 79° | 54° | 66° | — | — |
| 2015 | 67° | 55° | 61° | — | — |
| 2014 | 76° | 52° | 64° | — | — |
| 2013 | 83° | 56° | 69° | — | — |
| 2012 | 61° | 55° | 58° | — | — |
| 2011 | 66° | 54° | 60° | — | — |
| 2010 | 68° | 42° | 55° | 0.03" | — |
| 2009 | 70° | 56° | 63° | — | — |
| 2008 | 69° | 48° | 59° | — | — |
| 2007 | 70° | 51° | 60° | 0.1" | — |
| 2006 | 64° | 47° | 55° | 0.15" | — |
| 2005 | 73° | 46° | 60° | — | — |
| 2004 | 87° | 51° | 69° | — | — |
| 2003 | 63° | 49° | 56° | — | — |
| 2002 | 83° | 52° | 67° | — | — |
| 2001 | 84° | 48° | 66° | — | — |
| 2000 | 69° | 54° | 61° | — | — |
| 1999 | 66° | 49° | 57° | 0.2" | — |
| 1998 | 71° | 51° | 61° | — | — |
| 1984 | 97° | 48° | 72° | — | — |
| 1983 | 68° | 45° | 56° | — | — |
| 1982 | 80° | 42° | 61° | — | — |
| 1981 | 83° | 53° | 68° | — | — |
| 1980coldest | 55° | 41° | 48° | 0.15" | — |
| 1979 | 72° | 42° | 57° | — | — |
| 1978 | 79° | 44° | 61° | — | — |
| 1977 | 91° | 50° | 71° | — | — |
| 1976 | 67° | 51° | 59° | — | — |
| 1975 | 59° | 46° | 53° | — | — |
| 1974 | 73° | 38° | 55° | — | — |
| 1973 | 75° | 50° | 63° | — | — |
| 1972 | 80° | 43° | 61° | — | — |
| 1971 | 69° | 37° | 53° | — | — |
Ontario, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Ontario, CA Monthly Precipitation
Average rainfall per month, in inches.
Ontario, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Ontario, CA
Ontario, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.