Weather on May 27
Hayward, CA
55 Years of Data
Avg High
69°F
Avg Low
52°F
Warmest
2020
72°F avg
Coldest
1998
51°F avg
About This Date
May 27th in Hayward, CA typically brings mild spring weather, with average highs around 69°F and lows near 52°F. Over 52 years of records, the warmest May 27th was in 2020 (72°F average), while the coldest was 1998 (51°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 6% of May 27th dates historically. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for May 27th in Hayward, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 56° | 66° | — | — |
| 2024 | 67° | 53° | 60° | — | — |
| 2023 | 66° | 55° | 61° | — | — |
| 2022 | 67° | 54° | 60° | — | — |
| 2021 | 66° | 52° | 59° | — | — |
| 2020warmest | 87° | 57° | 72° | — | — |
| 2019 | 63° | 53° | 58° | — | — |
| 2018 | 77° | 52° | 64° | — | — |
| 2017 | 68° | 56° | 62° | — | — |
| 2016 | 77° | 52° | 64° | — | — |
| 2015 | 64° | 54° | 59° | — | — |
| 2014 | 66° | 53° | 60° | — | — |
| 2013 | 63° | 55° | 59° | 0.08" | — |
| 2012 | 61° | 53° | 57° | — | — |
| 2011 | 66° | 55° | 61° | — | — |
| 2010 | 64° | 52° | 58° | 0.46" | — |
| 2009 | 73° | 53° | 63° | — | — |
| 2008 | 64° | 52° | 58° | — | — |
| 2007 | 63° | 52° | 57° | — | — |
| 2006 | 64° | 53° | 59° | — | — |
| 2005 | 63° | 56° | 59° | — | — |
| 2004 | 68° | 59° | 64° | — | — |
| 2003 | 86° | 56° | 71° | — | — |
| 2002 | 67° | 54° | 60° | — | — |
| 2001 | 62° | 53° | 58° | — | — |
| 2000 | 69° | 56° | 62° | — | — |
| 1999 | 59° | 52° | 55° | — | — |
| 1998coldest | 55° | 47° | 51° | — | — |
| 1997 | 81° | 58° | 69° | — | — |
| 1996 | 69° | 48° | 59° | — | — |
| 1995 | 65° | 55° | 60° | — | — |
| 1994 | 69° | 50° | 60° | — | — |
| 1993 | 62° | 53° | 58° | — | — |
| 1989 | 72° | 50° | 61° | — | — |
| 1988 | 67° | 53° | 60° | — | — |
| 1987 | 62° | 51° | 57° | — | — |
| 1986 | 76° | 53° | 64° | — | — |
| 1985 | 63° | 52° | 57° | 0.03" | — |
| 1984 | 81° | 56° | 68° | — | — |
| 1983 | 72° | 50° | 61° | — | — |
| 1982 | 65° | 50° | 57° | — | — |
| 1981 | 74° | 54° | 64° | — | — |
| 1980 | 67° | 47° | 57° | — | — |
| 1979 | 73° | 51° | 62° | — | — |
| 1978 | 68° | 48° | 58° | — | — |
| 1977 | 64° | 42° | 53° | — | — |
| 1976 | 83° | 45° | 64° | — | — |
| 1975 | 76° | 49° | 62° | — | — |
| 1974 | 90° | 48° | 69° | — | — |
| 1973 | 75° | 55° | 65° | — | — |
| 1972 | 65° | 47° | 56° | — | — |
| 1971 | 62° | 48° | 55° | — | — |
52 years of data from HAYWARD AIR TERMINAL