Weather on June 15
Hayward, CA
55 Years of Data
Avg High
72°F
Avg Low
54°F
Warmest
1976
75°F avg
Coldest
1996
55°F avg
About This Date
June 15th in Hayward, CA typically brings pleasant summer weather, with average highs around 72°F and lows near 54°F. Over 51 years of records, the warmest June 15th was in 1976 (75°F average), while the coldest was 1996 (55°F) — a 20°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for June 15th in Hayward, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 50° | 61° | — | — |
| 2024 | 75° | 56° | 65° | — | — |
| 2023 | 73° | 57° | 65° | — | — |
| 2022 | 74° | 55° | 64° | — | — |
| 2021 | 74° | 55° | 64° | — | — |
| 2020 | 71° | 58° | 64° | — | — |
| 2019 | 64° | 55° | 60° | — | — |
| 2018 | 67° | 55° | 61° | — | — |
| 2017 | 75° | 56° | 65° | — | — |
| 2016 | 67° | 54° | 60° | — | — |
| 2015 | 63° | 54° | 58° | — | — |
| 2014 | 66° | 52° | 59° | — | — |
| 2013 | 64° | 53° | 59° | — | — |
| 2012 | 79° | 51° | 65° | — | — |
| 2011 | 80° | 57° | 69° | — | — |
| 2010 | 63° | 53° | 58° | — | — |
| 2009 | 67° | 59° | 63° | — | — |
| 2008 | 64° | 51° | 58° | — | — |
| 2007 | 84° | 57° | 71° | — | — |
| 2006 | 74° | 56° | 65° | — | — |
| 2005 | 69° | 52° | 60° | — | — |
| 2004 | 89° | 59° | 74° | — | — |
| 2003 | 74° | 55° | 64° | — | — |
| 2002 | 67° | 51° | 59° | — | — |
| 2001 | 79° | 56° | 67° | — | — |
| 2000 | 83° | 59° | 71° | — | — |
| 1999 | 62° | 54° | 58° | — | — |
| 1998 | 86° | 54° | 70° | — | — |
| 1997 | 72° | 53° | 62° | — | — |
| 1996coldest | 62° | 48° | 55° | — | — |
| 1995 | 62° | 53° | 58° | — | — |
| 1994 | 68° | 48° | 58° | — | — |
| 1989 | 77° | 54° | 65° | — | — |
| 1988 | 71° | 52° | 61° | — | — |
| 1987 | 69° | 55° | 62° | — | — |
| 1986 | 66° | 63° | 64° | — | — |
| 1985 | 80° | 57° | 69° | — | — |
| 1984 | 67° | 54° | 60° | — | — |
| 1983 | 70° | 53° | 61° | — | — |
| 1982 | 76° | 52° | 64° | — | — |
| 1981 | 78° | 50° | 64° | — | — |
| 1980 | 73° | 50° | 62° | — | — |
| 1979 | 71° | 50° | 61° | — | — |
| 1978 | 72° | 50° | 61° | — | — |
| 1977 | 65° | 51° | 58° | — | — |
| 1976warmest | 93° | 58° | 75° | — | — |
| 1975 | 74° | 52° | 63° | — | — |
| 1974 | 70° | 49° | 59° | — | — |
| 1973 | 69° | 47° | 58° | — | — |
| 1972 | 69° | 50° | 60° | — | — |
| 1971 | 82° | 51° | 67° | — | — |
51 years of data from HAYWARD AIR TERMINAL