Weather on August 28
San Bernardino, CA
55 Years of Data
Avg High
98°F
Avg Low
65°F
Warmest
2017
93°F avg
Coldest
1973
72°F avg
About This Date
August 28th in San Bernardino, CA typically brings hot summer weather, with average highs around 98°F and lows near 65°F — a 33°F daily swing. Over 48 years of records, the warmest August 28th was in 2017 (93°F average), while the coldest was 1973 (72°F) — a 21°F range across recorded history. This date has historically been dry, with little recorded precipitation.
Planning for August 28th in San Bernardino, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 73° | 82° | — | — |
| 2017warmest | 107° | 78° | 93° | — | — |
| 2016 | 93° | 62° | 78° | — | — |
| 2015 | 101° | 76° | 88° | — | — |
| 2014 | 99° | 66° | 82° | — | — |
| 2013 | 98° | 70° | 84° | — | — |
| 2012 | 104° | 66° | 85° | — | — |
| 2011 | 106° | 73° | 89° | — | — |
| 2010 | 88° | 57° | 72° | — | — |
| 2009 | 107° | 65° | 86° | — | — |
| 2008 | 96° | 65° | 80° | — | — |
| 2007 | 104° | 66° | 85° | — | — |
| 2006 | 101° | 71° | 86° | — | — |
| 2005 | 105° | 66° | 86° | — | — |
| 2004 | 97° | 60° | 78° | — | — |
| 2003 | 97° | 69° | 83° | — | — |
| 2002 | 96° | 58° | 77° | — | — |
| 2001 | 97° | 67° | 82° | — | — |
| 2000 | 92° | 65° | 78° | — | — |
| 1999 | 104° | 68° | 86° | — | — |
| 1998 | 106° | 66° | 86° | — | — |
| 1997 | 98° | 64° | 81° | — | — |
| 1996 | 104° | 64° | 84° | — | — |
| 1995 | 101° | 67° | 84° | — | — |
| 1994 | 96° | 60° | 78° | — | — |
| 1993 | 91° | 66° | 79° | — | — |
| 1992 | 94° | 63° | 78° | — | — |
| 1991 | 88° | 57° | 72° | — | — |
| 1990 | 98° | 62° | 80° | — | — |
| 1989 | 93° | 54° | 73° | — | — |
| 1988 | 96° | 67° | 81° | — | — |
| 1987 | 100° | 63° | 81° | — | — |
| 1986 | 99° | 64° | 81° | — | — |
| 1985 | 103° | 67° | 85° | — | — |
| 1984 | 102° | 71° | 87° | — | — |
| 1983 | 102° | 66° | 84° | — | — |
| 1982 | 96° | 68° | 82° | — | — |
| 1981 | 109° | 69° | 89° | — | — |
| 1980 | 96° | 58° | 77° | — | — |
| 1979 | 89° | 64° | 77° | — | — |
| 1978 | 99° | 60° | 79° | — | — |
| 1977 | 96° | 61° | 78° | — | — |
| 1976 | 107° | 64° | 86° | — | — |
| 1975 | 91° | 53° | 72° | — | — |
| 1974 | 96° | 56° | 76° | — | — |
| 1973coldest | 90° | 55° | 72° | — | — |
| 1972 | 98° | 62° | 80° | — | — |
| 1971 | 104° | 65° | 84° | — | — |
48 years of data from NORTON AFB