Weather on August 4
Hayward, CA
55 Years of Data
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° | — | — |
Hayward, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Hayward, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Hayward, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Hayward, CA
Most pleasant months in Hayward, CA: August.