Weather on November 11
Ontario, CA
55 Years of Data
Avg High
73°F
Avg Low
48°F
Warmest
2021
75°F avg
Coldest
1978
48°F avg
About This Date
November 11th in Ontario, CA typically brings pleasant fall weather, with average highs around 73°F and lows near 48°F — a 25°F daily swing. Over 41 years of records, the warmest November 11th was in 2021 (75°F average), while the coldest was 1978 (48°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 15% of November 11th dates historically, with the wettest November 11th recording 2.67" of rain. The last decade has been 5.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.7°F warmer on this date compared to 20-30 years ago.
Planning for November 11th in Ontario, CA? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 59° | 73° | — | — |
| 2024 | 75° | 47° | 61° | — | — |
| 2023 | 80° | 44° | 62° | — | — |
| 2022 | 70° | 41° | 55° | — | — |
| 2021warmest | 93° | 57° | 75° | — | — |
| 2020 | 69° | 43° | 56° | — | — |
| 2019 | 79° | 52° | 65° | — | — |
| 2018 | 78° | 42° | 60° | — | — |
| 2017 | 76° | 50° | 63° | — | — |
| 2016 | 88° | 56° | 72° | — | — |
| 2015 | 74° | 40° | 57° | — | — |
| 2014 | 66° | 59° | 63° | — | — |
| 2013 | 83° | 47° | 65° | — | — |
| 2012 | 68° | 36° | 52° | — | — |
| 2011 | 73° | 52° | 62° | — | — |
| 2010 | 71° | 45° | 58° | 0.03" | — |
| 2009 | 83° | 59° | 71° | — | — |
| 2008 | 73° | 48° | 61° | — | — |
| 2007 | 64° | 46° | 55° | — | — |
| 2006 | 70° | 50° | 60° | — | — |
| 2005 | 62° | 52° | 57° | — | — |
| 2004 | 63° | 49° | 56° | — | — |
| 2003 | 77° | 52° | 64° | — | — |
| 2002 | 77° | 49° | 63° | — | — |
| 2001 | 70° | 54° | 62° | — | — |
| 2000 | 59° | 40° | 49° | 0.08" | — |
| 1999 | 83° | 46° | 64° | — | — |
| 1998 | 59° | 47° | 53° | 0.25" | — |
| 1983 | 57° | 49° | 53° | 0.69" | — |
| 1982 | 69° | 35° | 52° | — | — |
| 1981 | 80° | 47° | 63° | — | — |
| 1980 | 68° | 53° | 61° | — | — |
| 1979 | 70° | 45° | 57° | — | — |
| 1978coldest | 54° | 42° | 48° | 1.57" | — |
| 1977 | 75° | 51° | 63° | — | — |
| 1976 | 65° | 49° | 57° | — | — |
| 1975 | 72° | 42° | 57° | — | — |
| 1974 | 84° | 50° | 67° | — | — |
| 1973 | 82° | 54° | 68° | — | — |
| 1972 | 59° | 45° | 52° | 2.67" | — |
| 1971 | 72° | 47° | 59° | — | — |
41 years of data from ONTARIO INTL AP