Weather on October 23
Rialto, CA
55 Years of Data
Avg High
80°F
Avg Low
56°F
Warmest
2017
86°F avg
Coldest
2010
56°F avg
About This Date
October 23rd in Rialto, CA typically brings warm fall weather, with average highs around 80°F and lows near 56°F. Over 48 years of records, the warmest October 23rd was in 2017 (86°F average), while the coldest was 2010 (56°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 6% of October 23rd dates historically, with the wettest October 23rd recording 3.12" of rain.
Planning for October 23rd in Rialto, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 52° | 64° | — | — |
| 2017warmest | 94° | 79° | 86° | — | — |
| 2016 | 78° | 62° | 70° | — | — |
| 2015 | 83° | 57° | 70° | — | — |
| 2014 | 90° | 65° | 77° | — | — |
| 2013 | 70° | 49° | 59° | — | — |
| 2012 | 66° | 53° | 60° | — | — |
| 2011 | 89° | 60° | 75° | — | — |
| 2010coldest | 59° | 53° | 56° | — | — |
| 2009 | 86° | 65° | 75° | — | — |
| 2008 | 87° | 64° | 76° | — | — |
| 2007 | 83° | 71° | 77° | — | — |
| 2006 | 87° | 61° | 74° | — | — |
| 2005 | 79° | 52° | 65° | — | — |
| 2004 | 74° | 48° | 61° | — | — |
| 2003 | 97° | 69° | 83° | — | — |
| 2002 | 68° | 46° | 57° | — | — |
| 2001 | 83° | 52° | 67° | — | — |
| 2000 | 70° | 57° | 63° | — | — |
| 1999 | 89° | 59° | 74° | — | — |
| 1998 | 91° | 62° | 77° | — | — |
| 1997 | 65° | 55° | 60° | — | — |
| 1996 | 77° | 54° | 65° | — | — |
| 1995 | 75° | 58° | 66° | — | — |
| 1994 | 77° | 47° | 62° | — | — |
| 1993 | 91° | 60° | 76° | — | — |
| 1992 | 76° | 58° | 67° | — | — |
| 1991 | 60° | 56° | 58° | — | — |
| 1990 | 89° | 52° | 70° | — | — |
| 1989 | 74° | 58° | 66° | 0.03" | — |
| 1988 | 76° | 55° | 65° | — | — |
| 1987 | 71° | 60° | 66° | 3.12" | — |
| 1986 | 71° | 49° | 60° | — | — |
| 1985 | 82° | 47° | 64° | — | — |
| 1984 | 73° | 47° | 60° | — | — |
| 1983 | 87° | 55° | 71° | — | — |
| 1982 | 95° | 62° | 79° | — | — |
| 1981 | 92° | 50° | 71° | — | — |
| 1980 | 92° | 50° | 71° | — | — |
| 1979 | 82° | 51° | 67° | — | — |
| 1978 | 83° | 61° | 72° | — | — |
| 1977 | 90° | 52° | 71° | — | — |
| 1976 | 73° | 57° | 65° | 0.08" | — |
| 1975 | 72° | 53° | 62° | — | — |
| 1974 | 66° | 53° | 60° | — | — |
| 1973 | 73° | 55° | 64° | — | — |
| 1972 | 86° | 49° | 67° | — | — |
| 1971 | 82° | 44° | 63° | — | — |
48 years of data from DEVORE CALIFORNIA