Weather on November 23
Ontario, CA
55 Years of Data
Avg High
70°F
Avg Low
44°F
Warmest
2017
74°F avg
Coldest
1973
45°F avg
About This Date
November 23rd in Ontario, CA typically brings pleasant fall weather, with average highs around 70°F and lows near 44°F — a 26°F daily swing. Over 41 years of records, the warmest November 23rd was in 2017 (74°F average), while the coldest was 1973 (45°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 10% of November 23rd dates historically, with the wettest November 23rd recording 1.3" of rain. The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
Planning for November 23rd in Ontario, CA? Great weather for outdoor activities.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 47° | 58° | — | — |
| 2024 | 65° | 44° | 54° | 0.08" | — |
| 2023 | 73° | 49° | 61° | — | — |
| 2022 | 75° | 42° | 59° | — | — |
| 2021 | 76° | 52° | 64° | — | — |
| 2020 | 64° | 47° | 55° | — | — |
| 2019 | 75° | 48° | 62° | — | — |
| 2018 | 64° | 51° | 58° | — | — |
| 2017warmest | 92° | 56° | 74° | — | — |
| 2016 | 71° | 46° | 59° | — | — |
| 2015 | 80° | 51° | 66° | — | — |
| 2014 | 80° | 49° | 64° | — | — |
| 2013 | 64° | 44° | 54° | — | — |
| 2012 | 84° | 48° | 66° | — | — |
| 2011 | 68° | 44° | 56° | — | — |
| 2010 | 59° | 41° | 50° | 0.03" | — |
| 2009 | 76° | 43° | 59° | — | — |
| 2008 | 69° | 49° | 59° | — | — |
| 2007 | 68° | 46° | 57° | — | — |
| 2006 | 72° | 50° | 61° | — | — |
| 2005 | 75° | 52° | 63° | — | — |
| 2004 | 61° | 40° | 50° | — | — |
| 2003 | 68° | 37° | 53° | — | — |
| 2002 | 66° | 47° | 56° | — | — |
| 2001 | 68° | 49° | 58° | — | — |
| 2000 | 66° | 39° | 53° | — | — |
| 1999 | 69° | 37° | 53° | — | — |
| 1998 | 73° | 44° | 59° | — | — |
| 1983 | 59° | 32° | 46° | — | — |
| 1982 | 69° | 38° | 53° | — | — |
| 1981 | 76° | 42° | 59° | — | — |
| 1980 | 67° | 39° | 53° | — | — |
| 1979 | 64° | 40° | 52° | — | — |
| 1978 | 65° | 46° | 55° | 0.1" | — |
| 1977 | 77° | 40° | 58° | — | — |
| 1976 | 79° | 49° | 64° | — | — |
| 1975 | 77° | 42° | 60° | — | — |
| 1974 | 72° | 40° | 56° | — | — |
| 1973coldest | 54° | 37° | 45° | 1.3" | — |
| 1972 | 65° | 40° | 52° | — | — |
| 1971 | 71° | 38° | 54° | — | — |
41 years of data from ONTARIO INTL AP