Weather on August 28
Hayward, CA
55 Years of Data
Avg High
78°F
Avg Low
57°F
Warmest
2009
81°F avg
Coldest
1973
57°F avg
About This Date
August 28th in Hayward, CA typically brings pleasant summer weather, with average highs around 78°F and lows near 57°F. Over 53 years of records, the warmest August 28th was in 2009 (81°F average), while the coldest was 1973 (57°F) — a 24°F range across recorded history. This date has historically been dry, with little recorded precipitation. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 28th in Hayward, CA? Great weather for outdoor activities.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 59° | 68° | — | — |
| 2024 | 82° | 61° | 71° | — | — |
| 2023 | 81° | 58° | 69° | — | — |
| 2022 | 75° | 60° | 68° | — | — |
| 2021 | 93° | 60° | 77° | — | — |
| 2020 | 76° | 59° | 67° | — | — |
| 2019 | 75° | 60° | 68° | — | — |
| 2018 | 72° | 60° | 66° | — | — |
| 2017 | 81° | 60° | 70° | — | — |
| 2016 | 74° | 61° | 67° | — | — |
| 2015 | 92° | 64° | 78° | — | — |
| 2014 | 80° | 61° | 70° | — | — |
| 2013 | 76° | 58° | 67° | — | — |
| 2012 | 78° | 58° | 68° | — | — |
| 2011 | 76° | 56° | 66° | — | — |
| 2010 | 67° | 56° | 61° | — | — |
| 2009warmest | 98° | 65° | 81° | — | — |
| 2008 | 96° | 62° | 79° | — | — |
| 2007 | 87° | 59° | 73° | — | — |
| 2006 | 70° | 56° | 63° | — | — |
| 2005 | 79° | 55° | 67° | — | — |
| 2004 | 92° | 63° | 77° | — | — |
| 2003 | 66° | 59° | 63° | — | — |
| 2002 | 77° | 60° | 69° | — | — |
| 2001 | 77° | 57° | 67° | — | — |
| 2000 | 75° | 58° | 66° | — | — |
| 1999 | 78° | 59° | 69° | — | — |
| 1998 | 84° | 55° | 70° | — | — |
| 1997 | 75° | 58° | 66° | — | — |
| 1996 | 86° | 57° | 72° | — | — |
| 1995 | 71° | 51° | 61° | — | — |
| 1994 | 72° | 55° | 63° | — | — |
| 1993 | 89° | 64° | 77° | — | — |
| 1992 | 69° | 53° | 61° | — | — |
| 1989 | 78° | 56° | 67° | — | — |
| 1988 | 76° | 56° | 66° | — | — |
| 1987 | 73° | 56° | 64° | — | — |
| 1986 | 74° | 56° | 65° | — | — |
| 1985 | 74° | 54° | 64° | — | — |
| 1984 | 78° | 56° | 67° | — | — |
| 1983 | 79° | 58° | 68° | — | — |
| 1982 | 73° | 56° | 64° | — | — |
| 1981 | 91° | 55° | 73° | — | — |
| 1980 | 69° | 54° | 61° | — | — |
| 1979 | 79° | 59° | 69° | — | — |
| 1978 | 78° | 57° | 68° | — | — |
| 1977 | 81° | 58° | 69° | — | — |
| 1976 | 88° | 54° | 71° | — | — |
| 1975 | 68° | 52° | 60° | — | — |
| 1974 | 66° | 52° | 59° | — | — |
| 1973coldest | 67° | 48° | 57° | — | — |
| 1972 | 70° | 55° | 62° | — | — |
| 1971 | 71° | 51° | 61° | — | — |
53 years of data from HAYWARD AIR TERMINAL