Weather on October 17
Corona, CA
55 Years of Data
Avg High
82°F
Avg Low
52°F
Warmest
2009
80°F avg
Coldest
1971
54°F avg
About This Date
October 17th in Corona, CA typically brings warm fall weather, with average highs around 82°F and lows near 52°F — a 30°F daily swing. Over 45 years of records, the warmest October 17th was in 2009 (80°F average), while the coldest was 1971 (54°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 7% of October 17th dates historically. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for October 17th in Corona, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 44° | 66° | — | — |
| 2024 | 73° | 59° | 66° | — | — |
| 2023 | 86° | 51° | 69° | — | — |
| 2022 | 82° | 52° | 67° | — | — |
| 2021 | 81° | 40° | 60° | — | — |
| 2020 | 91° | 52° | 71° | — | — |
| 2019 | 81° | 54° | 67° | — | — |
| 2018 | 86° | 41° | 64° | — | — |
| 2017 | 96° | 48° | 72° | — | — |
| 2016 | 76° | 52° | 64° | 0.1" | — |
| 2015 | 82° | 64° | 73° | — | — |
| 2014 | 78° | 48° | 63° | — | — |
| 2013 | 84° | 36° | 60° | — | — |
| 2012 | 101° | 49° | 75° | — | — |
| 2011 | 89° | 58° | 73° | — | — |
| 2010 | 67° | 59° | 63° | — | — |
| 2009warmest | 97° | 63° | 80° | — | — |
| 2008 | 96° | 58° | 77° | — | — |
| 2007 | 74° | 51° | 62° | — | — |
| 2006 | 72° | 51° | 61° | — | — |
| 2005 | 70° | 55° | 62° | — | — |
| 2004 | 74° | 58° | 66° | — | — |
| 2003 | 98° | 58° | 78° | — | — |
| 2002 | 71° | 57° | 64° | — | — |
| 2001 | 85° | 53° | 69° | — | — |
| 2000 | 91° | 49° | 70° | — | — |
| 1999 | 83° | 58° | 70° | — | — |
| 1998 | 81° | 54° | 67° | — | — |
| 1987 | 85° | 57° | 71° | — | — |
| 1986 | 74° | 55° | 64° | — | — |
| 1985 | 82° | 53° | 68° | — | — |
| 1984 | 74° | 52° | 63° | 0.23" | — |
| 1983 | 73° | 59° | 66° | — | — |
| 1982 | 86° | 49° | 67° | — | — |
| 1981 | 87° | 42° | 65° | — | — |
| 1980 | 76° | 44° | 60° | — | — |
| 1979 | 73° | 53° | 63° | — | — |
| 1978 | 79° | 54° | 66° | — | — |
| 1977 | 82° | 52° | 67° | — | — |
| 1976 | 82° | 50° | 66° | — | — |
| 1975 | 87° | 45° | 66° | — | — |
| 1974 | 97° | 50° | 73° | — | — |
| 1973 | 95° | 49° | 72° | — | — |
| 1972 | 70° | 53° | 61° | — | — |
| 1971coldest | 70° | 38° | 54° | 0.46" | — |
45 years of data from CORONA CALIFORNIA