Weather on October 11
Rialto, CA
55 Years of Data
Avg High
83°F
Avg Low
56°F
Warmest
1991
82°F avg
Coldest
2008
53°F avg
About This Date
October 11th in Rialto, CA typically brings warm fall weather, with average highs around 83°F and lows near 56°F — a 27°F daily swing. Over 48 years of records, the warmest October 11th was in 1991 (82°F average), while the coldest was 2008 (53°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 8% of October 11th dates historically, with the wettest October 11th recording 0.97" of rain.
Planning for October 11th in Rialto, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 64° | 75° | — | — |
| 2017 | 80° | 58° | 69° | — | — |
| 2016 | 78° | 58° | 68° | — | — |
| 2015 | 94° | 69° | 81° | — | — |
| 2014 | 88° | 66° | 77° | — | — |
| 2013 | 72° | 47° | 59° | — | — |
| 2012 | 64° | 50° | 57° | — | — |
| 2011 | 86° | 57° | 72° | — | — |
| 2010 | 91° | 66° | 79° | — | — |
| 2009 | 65° | 50° | 57° | — | — |
| 2008coldest | 64° | 43° | 53° | — | — |
| 2007 | 74° | 51° | 62° | — | — |
| 2006 | 82° | 51° | 67° | — | — |
| 2005 | 83° | 57° | 70° | — | — |
| 2004 | 87° | 50° | 69° | — | — |
| 2003 | 94° | 53° | 73° | — | — |
| 2002 | 78° | 51° | 65° | — | — |
| 2001 | 84° | 58° | 71° | — | — |
| 2000 | 60° | 48° | 54° | — | — |
| 1999 | 96° | 65° | 80° | — | — |
| 1998 | 88° | 57° | 72° | — | — |
| 1997 | 69° | 49° | 59° | — | — |
| 1996 | 91° | 57° | 74° | — | — |
| 1995 | 80° | 58° | 69° | — | — |
| 1994 | 87° | 54° | 70° | — | — |
| 1993 | 70° | 56° | 63° | — | — |
| 1992 | 95° | 64° | 80° | — | — |
| 1991warmest | 93° | 71° | 82° | — | — |
| 1990 | 85° | 50° | 67° | — | — |
| 1989 | 87° | 53° | 70° | — | — |
| 1988 | 91° | 60° | 76° | — | — |
| 1987 | 77° | 56° | 66° | 0.97" | — |
| 1986 | 64° | 58° | 61° | 0.08" | — |
| 1985 | 77° | 49° | 63° | — | — |
| 1984 | 77° | 63° | 70° | — | — |
| 1983 | 93° | 56° | 74° | — | — |
| 1982 | 85° | 57° | 71° | — | — |
| 1981 | 69° | 56° | 62° | 0.56" | — |
| 1980 | 97° | 55° | 76° | — | — |
| 1979 | 84° | 59° | 72° | — | — |
| 1978 | 99° | 56° | 77° | — | — |
| 1977 | 95° | 54° | 74° | — | — |
| 1976 | 91° | 53° | 72° | — | — |
| 1975 | 72° | 57° | 64° | 0.33" | — |
| 1974 | 76° | 49° | 62° | — | — |
| 1973 | 81° | 45° | 63° | — | — |
| 1972 | 83° | 46° | 64° | — | — |
| 1971 | 104° | 56° | 80° | — | — |
48 years of data from DEVORE CALIFORNIA