Weather on August 24
Rialto, CA
55 Years of Data
Avg High
94°F
Avg Low
64°F
Warmest
2010
92°F avg
Coldest
2004
68°F avg
About This Date
August 24th in Rialto, CA typically brings hot summer weather, with average highs around 94°F and lows near 64°F — a 30°F daily swing. Over 47 years of records, the warmest August 24th was in 2010 (92°F average), while the coldest was 2004 (68°F) — a 24°F range across recorded history. This date has historically been dry, with little recorded precipitation.
Planning for August 24th in Rialto, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 102° | 72° | 87° | — | — |
| 2017 | 88° | 60° | 74° | — | — |
| 2016 | 91° | 67° | 79° | — | — |
| 2015 | 99° | 67° | 83° | — | — |
| 2014 | 86° | 59° | 73° | — | — |
| 2013 | 95° | 65° | 80° | — | — |
| 2012 | 88° | 62° | 75° | — | — |
| 2011 | 95° | 72° | 83° | — | — |
| 2010warmest | 107° | 77° | 92° | — | — |
| 2009 | 90° | 67° | 78° | — | — |
| 2008 | 102° | 68° | 85° | — | — |
| 2007 | 93° | 61° | 77° | — | — |
| 2006 | 93° | 69° | 81° | — | — |
| 2005 | 94° | 65° | 79° | — | — |
| 2004coldest | 83° | 54° | 68° | — | — |
| 2003 | 102° | 68° | 85° | — | — |
| 2002 | 95° | 60° | 78° | — | — |
| 2001 | 95° | 62° | 79° | — | — |
| 2000 | 99° | 64° | 81° | — | — |
| 1999 | 100° | 72° | 86° | — | — |
| 1998 | 98° | 68° | 83° | — | — |
| 1997 | 96° | 68° | 82° | — | — |
| 1996 | 106° | 76° | 91° | — | — |
| 1995 | 96° | 65° | 80° | — | — |
| 1994 | 97° | 59° | 78° | — | — |
| 1993 | 97° | 62° | 79° | — | — |
| 1992 | 81° | 62° | 71° | — | — |
| 1991 | 93° | 67° | 80° | — | — |
| 1990 | 78° | 68° | 73° | — | — |
| 1989 | 81° | 60° | 70° | — | — |
| 1988 | 93° | 70° | 81° | — | — |
| 1987 | 87° | 57° | 72° | — | — |
| 1985 | 108° | 66° | 87° | — | — |
| 1984 | 99° | 62° | 80° | — | — |
| 1983 | 89° | 59° | 74° | — | — |
| 1982 | 88° | 67° | 77° | — | — |
| 1981 | 103° | 64° | 83° | — | — |
| 1980 | 93° | 60° | 77° | — | — |
| 1979 | 102° | 62° | 82° | — | — |
| 1978 | 85° | 67° | 76° | — | — |
| 1977 | 92° | 63° | 77° | — | — |
| 1976 | 98° | 61° | 79° | — | — |
| 1975 | 99° | 57° | 78° | — | — |
| 1974 | 101° | 61° | 81° | — | — |
| 1973 | 93° | 56° | 74° | — | — |
| 1972 | 92° | 64° | 78° | — | — |
| 1971 | 94° | 63° | 78° | — | — |
47 years of data from FONTANA 5 N