Weather on July 20
Hayward, CA
55 Years of Data
Avg High
74°F
Avg Low
56°F
Warmest
1996
79°F avg
Coldest
1994
57°F avg
About This Date
July 20th in Hayward, CA typically brings pleasant summer weather, with average highs around 74°F and lows near 56°F. Over 52 years of records, the warmest July 20th was in 1996 (79°F average), while the coldest was 1994 (57°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 2% of July 20th dates historically. 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 July 20th in Hayward, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 58° | 62° | — | — |
| 2024 | 77° | 61° | 69° | — | — |
| 2023 | 81° | 59° | 70° | — | — |
| 2022 | 72° | 56° | 64° | — | — |
| 2021 | 69° | 58° | 63° | — | — |
| 2020 | 70° | 59° | 64° | — | — |
| 2019 | 74° | 59° | 66° | — | — |
| 2018 | 83° | 59° | 71° | — | — |
| 2017 | 71° | 58° | 64° | — | — |
| 2016 | 73° | 57° | 65° | — | — |
| 2015 | 81° | 62° | 71° | — | — |
| 2014 | 77° | 61° | 69° | — | — |
| 2013 | 75° | 55° | 65° | — | — |
| 2012 | 77° | 58° | 67° | — | — |
| 2011 | 86° | 59° | 73° | — | — |
| 2010 | 68° | 57° | 63° | — | — |
| 2009 | 67° | 57° | 62° | — | — |
| 2008 | 64° | 54° | 59° | — | — |
| 2007 | 74° | 60° | 67° | — | — |
| 2006 | 86° | 64° | 75° | — | — |
| 2005 | 76° | 58° | 67° | — | — |
| 2004 | 71° | 61° | 66° | — | — |
| 2003 | 89° | 61° | 75° | — | — |
| 2002 | 76° | 57° | 66° | — | — |
| 2001 | 65° | 57° | 61° | — | — |
| 2000 | 71° | 55° | 63° | — | — |
| 1999 | 68° | 59° | 64° | — | — |
| 1998 | 68° | 54° | 61° | — | — |
| 1997 | 69° | 53° | 61° | — | — |
| 1996warmest | 92° | 66° | 79° | — | — |
| 1995 | 68° | 58° | 63° | — | — |
| 1994coldest | 63° | 52° | 57° | — | — |
| 1993 | 68° | 51° | 60° | — | — |
| 1989 | 81° | 54° | 67° | — | — |
| 1988 | 74° | 56° | 65° | — | — |
| 1987 | 74° | 51° | 62° | — | — |
| 1986 | 80° | 52° | 66° | — | — |
| 1985 | 73° | 56° | 64° | 0.15" | — |
| 1984 | 74° | 59° | 66° | — | — |
| 1983 | 73° | 53° | 63° | — | — |
| 1982 | 70° | 56° | 63° | — | — |
| 1981 | 81° | 50° | 65° | — | — |
| 1980 | 74° | 55° | 64° | — | — |
| 1979 | 78° | 54° | 66° | — | — |
| 1978 | 74° | 52° | 63° | — | — |
| 1977 | 73° | 54° | 63° | — | — |
| 1976 | 67° | 49° | 58° | — | — |
| 1975 | 70° | 53° | 61° | — | — |
| 1974 | 84° | 52° | 68° | — | — |
| 1973 | 65° | 52° | 58° | — | — |
| 1972 | 65° | 53° | 59° | — | — |
| 1971 | 84° | 53° | 69° | — | — |
52 years of data from HAYWARD AIR TERMINAL