Weather on August 4
Hayward, CA
55 Years of Data
Avg High
75°F
Avg Low
57°F
Warmest
1998
88°F avg
Coldest
1972
58°F avg
About This Date
August 4th in Hayward, CA typically brings pleasant summer weather, with average highs around 75°F and lows near 57°F. Over 52 years of records, the warmest August 4th was in 1998 (88°F average), while the coldest was 1972 (58°F) — a 30°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for August 4th in Hayward, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 56° | 63° | — | — |
| 2024 | 70° | 58° | 64° | — | — |
| 2023 | 76° | 59° | 67° | — | — |
| 2022 | 81° | 61° | 71° | — | — |
| 2021 | 69° | 57° | 63° | — | — |
| 2020 | 70° | 61° | 65° | — | — |
| 2019 | 75° | 61° | 68° | — | — |
| 2018 | 76° | 60° | 68° | — | — |
| 2017 | 77° | 63° | 70° | — | — |
| 2016 | 67° | 57° | 62° | — | — |
| 2015 | 73° | 62° | 68° | — | — |
| 2014 | 76° | 61° | 68° | — | — |
| 2013 | 69° | 55° | 62° | — | — |
| 2012 | 67° | 56° | 61° | — | — |
| 2011 | 67° | 59° | 63° | — | — |
| 2010 | 69° | 55° | 62° | — | — |
| 2009 | 75° | 60° | 68° | — | — |
| 2008 | 68° | 55° | 62° | — | — |
| 2007 | 74° | 57° | 65° | — | — |
| 2006 | 75° | 59° | 67° | — | — |
| 2005 | 77° | 59° | 68° | — | — |
| 2004 | 68° | 60° | 64° | — | — |
| 2003 | 74° | 60° | 67° | — | — |
| 2002 | 68° | 57° | 63° | — | — |
| 2001 | 72° | 60° | 66° | — | — |
| 2000 | 75° | 58° | 66° | — | — |
| 1999 | 65° | 57° | 61° | — | — |
| 1998warmest | 100° | 75° | 88° | — | — |
| 1997 | 88° | 58° | 73° | — | — |
| 1996 | 79° | 52° | 65° | — | — |
| 1995 | 70° | 58° | 64° | — | — |
| 1994 | 85° | 72° | 78° | — | — |
| 1993 | 70° | 56° | 63° | — | — |
| 1989 | 78° | 55° | 67° | — | — |
| 1988 | 76° | 59° | 67° | — | — |
| 1987 | 87° | 53° | 70° | — | — |
| 1986 | 84° | 54° | 69° | — | — |
| 1985 | 85° | 56° | 70° | — | — |
| 1984 | 77° | 52° | 64° | — | — |
| 1983 | 76° | 58° | 67° | — | — |
| 1982 | 66° | 56° | 61° | — | — |
| 1981 | 66° | 54° | 60° | — | — |
| 1980 | 79° | 57° | 68° | — | — |
| 1979 | 70° | 56° | 63° | — | — |
| 1978 | 76° | 54° | 65° | — | — |
| 1977 | 76° | 57° | 66° | — | — |
| 1976 | 72° | 57° | 64° | — | — |
| 1975 | 85° | 51° | 68° | — | — |
| 1974 | 75° | 53° | 64° | — | — |
| 1973 | 79° | 48° | 63° | — | — |
| 1972coldest | 65° | 52° | 58° | — | — |
| 1971 | 67° | 53° | 60° | — | — |
52 years of data from HAYWARD AIR TERMINAL