Weather on August 28
Fullerton, CA
55 Years of Data
Avg High
89°F
Avg Low
64°F
Warmest
2015
87°F avg
Coldest
1973
66°F avg
About This Date
August 28th in Fullerton, CA typically brings warm summer weather, with average highs around 89°F and lows near 64°F — a 25°F daily swing. Over 55 years of records, the warmest August 28th was in 2015 (87°F average), while the coldest was 1973 (66°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 28th dates historically. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for August 28th in Fullerton, 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 | 85° | 70° | 77° | — | — |
| 2024 | 83° | 66° | 74° | — | — |
| 2023 | 99° | 70° | 84° | — | — |
| 2022 | 87° | 69° | 78° | — | — |
| 2021 | 95° | 64° | 80° | — | — |
| 2020 | 91° | 64° | 78° | — | — |
| 2019 | 86° | 69° | 78° | — | — |
| 2018 | 85° | 66° | 75° | — | — |
| 2017 | 98° | 67° | 82° | — | — |
| 2016 | 83° | 66° | 74° | — | — |
| 2015warmest | 101° | 73° | 87° | — | — |
| 2014 | 96° | 69° | 83° | — | — |
| 2013 | 92° | 68° | 80° | — | — |
| 2012 | 97° | 66° | 81° | — | — |
| 2011 | 91° | 70° | 80° | — | — |
| 2010 | 78° | 63° | 70° | — | — |
| 2009 | 97° | 68° | 82° | — | — |
| 2008 | 82° | 66° | 74° | — | — |
| 2007 | 96° | 68° | 82° | — | — |
| 2006 | 95° | 64° | 80° | 0.28" | — |
| 2005 | 96° | 69° | 83° | — | — |
| 2004 | 84° | 64° | 74° | — | — |
| 2003 | 88° | 67° | 77° | — | — |
| 2002 | 79° | 61° | 70° | — | — |
| 2001 | 84° | 63° | 73° | — | — |
| 2000 | 80° | 67° | 73° | — | — |
| 1999 | 88° | 60° | 74° | — | — |
| 1998 | 92° | 63° | 77° | — | — |
| 1997 | 86° | 63° | 74° | — | — |
| 1996 | 92° | 60° | 76° | — | — |
| 1995 | 96° | 63° | 79° | — | — |
| 1994 | 89° | 66° | 78° | — | — |
| 1993 | 83° | 64° | 73° | — | — |
| 1992 | 94° | 65° | 79° | — | — |
| 1991 | 82° | 57° | 70° | — | — |
| 1990 | 92° | 60° | 76° | — | — |
| 1989 | 82° | 58° | 70° | — | — |
| 1988 | 84° | 66° | 75° | — | — |
| 1987 | 80° | 62° | 71° | — | — |
| 1986 | 89° | 64° | 77° | — | — |
| 1985 | 94° | 66° | 80° | — | — |
| 1984 | 91° | 69° | 80° | — | — |
| 1983 | 95° | 65° | 80° | — | — |
| 1982 | 87° | 65° | 76° | — | — |
| 1981 | 103° | 66° | 84° | — | — |
| 1980 | 88° | 55° | 71° | — | — |
| 1979 | 82° | 63° | 72° | — | — |
| 1978 | 90° | 55° | 72° | — | — |
| 1977 | 86° | 60° | 73° | — | — |
| 1976 | 95° | 60° | 78° | — | — |
| 1975 | 87° | 49° | 68° | — | — |
| 1974 | 89° | 54° | 71° | — | — |
| 1973coldest | 83° | 50° | 66° | — | — |
| 1972 | 95° | 65° | 80° | — | — |
| 1971 | 96° | 61° | 78° | — | — |
55 years of data from ANAHEIM