Weather on August 9
Hayward, CA
55 Years of Data
Avg High
77°F
Avg Low
57°F
Warmest
2002
80°F avg
Coldest
1973
59°F avg
About This Date
August 9th in Hayward, CA typically brings pleasant summer weather, with average highs around 77°F and lows near 57°F. Over 52 years of records, the warmest August 9th was in 2002 (80°F average), while the coldest was 1973 (59°F) — a 21°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 9th in Hayward, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 57° | 70° | — | — |
| 2024 | 71° | 56° | 63° | — | — |
| 2023 | 77° | 58° | 67° | — | — |
| 2022 | 75° | 62° | 69° | — | — |
| 2021 | 78° | 58° | 68° | — | — |
| 2020 | 83° | 59° | 71° | — | — |
| 2019 | 75° | 61° | 68° | — | — |
| 2018 | 88° | 56° | 72° | — | — |
| 2017 | 68° | 60° | 64° | — | — |
| 2016 | 78° | 58° | 68° | — | — |
| 2015 | 73° | 60° | 67° | — | — |
| 2014 | 70° | 59° | 64° | — | — |
| 2013 | 67° | 55° | 61° | — | — |
| 2012 | 82° | 55° | 69° | — | — |
| 2011 | 76° | 58° | 67° | — | — |
| 2010 | 71° | 57° | 64° | — | — |
| 2009 | 89° | 58° | 73° | — | — |
| 2008 | 68° | 57° | 63° | — | — |
| 2007 | 77° | 58° | 67° | — | — |
| 2006 | 92° | 63° | 77° | — | — |
| 2005 | 76° | 57° | 66° | — | — |
| 2004 | 70° | 60° | 65° | — | — |
| 2003 | 74° | 62° | 68° | — | — |
| 2002warmest | 96° | 65° | 80° | — | — |
| 2001 | 73° | 60° | 67° | — | — |
| 2000 | 70° | 59° | 64° | — | — |
| 1999 | 66° | 59° | 63° | — | — |
| 1998 | 76° | 53° | 64° | — | — |
| 1997 | 75° | 56° | 65° | — | — |
| 1996 | 95° | 62° | 79° | — | — |
| 1995 | 77° | 56° | 66° | — | — |
| 1994 | 76° | 57° | 66° | — | — |
| 1993 | 71° | 53° | 62° | — | — |
| 1989 | 69° | 56° | 62° | — | — |
| 1988 | 74° | 55° | 64° | — | — |
| 1987 | 74° | 58° | 66° | — | — |
| 1986 | 72° | 53° | 62° | — | — |
| 1985 | 80° | 54° | 67° | — | — |
| 1984 | 94° | 54° | 74° | — | — |
| 1983 | 69° | 60° | 65° | — | — |
| 1982 | 77° | 55° | 66° | — | — |
| 1981 | 82° | 54° | 68° | — | — |
| 1980 | 74° | 54° | 64° | — | — |
| 1979 | 73° | 48° | 61° | — | — |
| 1978 | 85° | 56° | 70° | — | — |
| 1977 | 72° | 54° | 63° | — | — |
| 1976 | 76° | 55° | 65° | — | — |
| 1975 | 88° | 49° | 68° | — | — |
| 1974 | 75° | 52° | 63° | — | — |
| 1973coldest | 67° | 51° | 59° | — | — |
| 1972 | 75° | 55° | 65° | — | — |
| 1971 | 85° | 56° | 70° | — | — |
52 years of data from HAYWARD AIR TERMINAL