Weather on October 24
Ontario, CA
55 Years of Data
Avg High
80°F
Avg Low
55°F
Warmest
2017
90°F avg
Coldest
1975
55°F avg
About This Date
October 24th in Ontario, CA typically brings warm fall weather, with average highs around 80°F and lows near 55°F — a 25°F daily swing. Over 41 years of records, the warmest October 24th was in 2017 (90°F average), while the coldest was 1975 (55°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 7% of October 24th dates historically, with the wettest October 24th recording 0.76" of rain. The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
Planning for October 24th in Ontario, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 58° | 71° | — | — |
| 2024 | 89° | 58° | 73° | — | — |
| 2023 | 78° | 55° | 67° | — | — |
| 2022 | 75° | 51° | 63° | — | — |
| 2021 | 74° | 59° | 66° | — | — |
| 2020 | 71° | 62° | 67° | — | — |
| 2019 | 95° | 77° | 86° | — | — |
| 2018 | 84° | 58° | 71° | — | — |
| 2017warmest | 102° | 79° | 90° | — | — |
| 2016 | 68° | 59° | 64° | 0.76" | — |
| 2015 | 92° | 54° | 73° | — | — |
| 2014 | 93° | 58° | 75° | — | — |
| 2013 | 69° | 56° | 62° | — | — |
| 2012 | 73° | 54° | 63° | — | — |
| 2011 | 74° | 56° | 65° | — | — |
| 2010 | 70° | 54° | 62° | 0.03" | — |
| 2009 | 85° | 56° | 70° | — | — |
| 2008 | 91° | 55° | 73° | — | — |
| 2007 | 96° | 59° | 78° | — | — |
| 2006 | 80° | 56° | 68° | — | — |
| 2005 | 67° | 58° | 62° | — | — |
| 2004 | 70° | 50° | 60° | — | — |
| 2003 | 91° | 62° | 77° | — | — |
| 2002 | 66° | 53° | 60° | — | — |
| 2001 | 83° | 52° | 67° | — | — |
| 2000 | 74° | 55° | 64° | — | — |
| 1999 | 88° | 54° | 71° | — | — |
| 1998 | 83° | 57° | 70° | — | — |
| 1983 | 86° | 54° | 70° | — | — |
| 1982 | 81° | 60° | 70° | — | — |
| 1981 | 86° | 46° | 66° | — | — |
| 1980 | 89° | 49° | 69° | — | — |
| 1979 | 79° | 48° | 63° | — | — |
| 1978 | 79° | 59° | 69° | — | — |
| 1977 | 85° | 55° | 70° | — | — |
| 1976 | 69° | 51° | 60° | — | — |
| 1975coldest | 69° | 41° | 55° | — | — |
| 1974 | 76° | 49° | 62° | — | — |
| 1973 | 79° | 44° | 61° | — | — |
| 1972 | 79° | 51° | 65° | — | — |
| 1971 | 69° | 42° | 56° | 0.56" | — |
41 years of data from ONTARIO INTL AP