Weather on June 20
Hayward, CA
55 Years of Data
Avg High
72°F
Avg Low
54°F
Warmest
2008
82°F avg
Coldest
1975
52°F avg
About This Date
June 20th in Hayward, CA typically brings pleasant summer weather, with average highs around 72°F and lows near 54°F. Over 52 years of records, the warmest June 20th was in 2008 (82°F average), while the coldest was 1975 (52°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 20th dates historically. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for June 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 | 65° | 54° | 59° | — | — |
| 2024 | 67° | 55° | 61° | — | — |
| 2023 | 71° | 50° | 61° | — | — |
| 2022 | 83° | 54° | 68° | — | — |
| 2021 | 76° | 55° | 65° | — | — |
| 2020 | 75° | 57° | 66° | — | — |
| 2019 | 72° | 57° | 64° | — | — |
| 2018 | 67° | 55° | 61° | — | — |
| 2017 | 82° | 60° | 71° | — | — |
| 2016 | 76° | 56° | 66° | — | — |
| 2015 | 73° | 54° | 63° | — | — |
| 2014 | 68° | 47° | 57° | — | — |
| 2013 | 70° | 52° | 61° | — | — |
| 2012 | 87° | 56° | 71° | — | — |
| 2011 | 93° | 61° | 77° | — | — |
| 2010 | 70° | 53° | 61° | — | — |
| 2009 | 65° | 55° | 60° | — | — |
| 2008warmest | 100° | 64° | 82° | — | — |
| 2007 | 68° | 54° | 61° | — | — |
| 2006 | 83° | 56° | 69° | — | — |
| 2005 | 70° | 58° | 64° | — | — |
| 2004 | 63° | 55° | 59° | — | — |
| 2003 | 66° | 54° | 60° | — | — |
| 2002 | 62° | 53° | 58° | — | — |
| 2001 | 94° | 62° | 78° | — | — |
| 2000 | 80° | 57° | 69° | — | — |
| 1999 | 72° | 55° | 63° | — | — |
| 1998 | 67° | 50° | 58° | — | — |
| 1997 | 67° | 50° | 58° | — | — |
| 1996 | 61° | 49° | 55° | — | — |
| 1995 | 75° | 55° | 65° | — | — |
| 1994 | 63° | 50° | 56° | — | — |
| 1993 | 67° | 51° | 59° | — | — |
| 1989 | 77° | 51° | 64° | — | — |
| 1988 | 78° | 55° | 67° | — | — |
| 1987 | 64° | 53° | 59° | — | — |
| 1986 | 75° | 53° | 64° | — | — |
| 1985 | 62° | 54° | 58° | — | — |
| 1984 | 57° | 52° | 54° | — | — |
| 1983 | 79° | 53° | 66° | — | — |
| 1982 | 66° | 53° | 60° | — | — |
| 1981 | 98° | 64° | 81° | — | — |
| 1980 | 58° | 52° | 55° | — | — |
| 1979 | 77° | 50° | 64° | — | — |
| 1978 | 72° | 53° | 62° | — | — |
| 1977 | 60° | 49° | 54° | — | — |
| 1976 | 69° | 48° | 59° | — | — |
| 1975coldest | 55° | 48° | 52° | 0.03" | — |
| 1974 | 71° | 49° | 60° | — | — |
| 1973 | 90° | 53° | 71° | — | — |
| 1972 | 67° | 51° | 59° | — | — |
| 1971 | 72° | 53° | 62° | — | — |
52 years of data from HAYWARD AIR TERMINAL