Weather on November 4
Ontario, CA
55 Years of Data
Avg High
78°F
Avg Low
50°F
Warmest
2010
78°F avg
Coldest
2011
51°F avg
About This Date
November 4th in Ontario, CA typically brings pleasant fall weather, with average highs around 78°F and lows near 50°F — a 28°F daily swing. Over 41 years of records, the warmest November 4th was in 2010 (78°F average), while the coldest was 2011 (51°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 7% of November 4th dates historically, with the wettest November 4th recording 0.76" of rain. The last decade has been 7.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.6°F warmer on this date compared to 20-30 years ago.
Planning for November 4th in Ontario, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 52° | 66° | — | — |
| 2024 | 76° | 54° | 65° | — | — |
| 2023 | 86° | 51° | 69° | — | — |
| 2022 | 68° | 42° | 55° | — | — |
| 2021 | 86° | 56° | 71° | — | — |
| 2020 | 93° | 56° | 74° | — | — |
| 2019 | 86° | 48° | 67° | — | — |
| 2018 | 87° | 57° | 72° | — | — |
| 2017 | 72° | 52° | 62° | — | — |
| 2016 | 88° | 55° | 71° | — | — |
| 2015 | 67° | 46° | 56° | — | — |
| 2014 | 79° | 50° | 64° | — | — |
| 2013 | 64° | 51° | 58° | — | — |
| 2012 | 93° | 51° | 72° | — | — |
| 2011coldest | 57° | 45° | 51° | 0.76" | — |
| 2010warmest | 96° | 61° | 78° | — | — |
| 2009 | 86° | 54° | 70° | — | — |
| 2008 | 67° | 54° | 60° | 0.28" | — |
| 2007 | 82° | 51° | 67° | — | — |
| 2006 | 83° | 56° | 69° | — | — |
| 2005 | 67° | 54° | 60° | — | — |
| 2004 | 63° | 46° | 54° | — | — |
| 2003 | 63° | 46° | 54° | — | — |
| 2002 | 74° | 45° | 59° | — | — |
| 2001 | 73° | 56° | 64° | 0.05" | — |
| 2000 | 75° | 49° | 62° | — | — |
| 1999 | 75° | 49° | 62° | — | — |
| 1998 | 80° | 45° | 62° | — | — |
| 1983 | 84° | 49° | 66° | — | — |
| 1982 | 82° | 36° | 59° | — | — |
| 1981 | 77° | 46° | 62° | — | — |
| 1980 | 93° | 51° | 72° | — | — |
| 1979 | 65° | 44° | 54° | — | — |
| 1978 | 85° | 54° | 69° | — | — |
| 1977 | 76° | 46° | 61° | — | — |
| 1976 | 90° | 60° | 75° | — | — |
| 1975 | 88° | 52° | 70° | — | — |
| 1974 | 68° | 42° | 55° | — | — |
| 1973 | 62° | 43° | 52° | — | — |
| 1972 | 71° | 44° | 58° | — | — |
| 1971 | 83° | 50° | 66° | — | — |
41 years of data from ONTARIO INTL AP