Weather on May 23
Hayward, CA
55 Years of Data
Avg High
70°F
Avg Low
52°F
Warmest
2000
73°F avg
Coldest
1977
53°F avg
About This Date
May 23rd in Hayward, CA typically brings pleasant spring weather, with average highs around 70°F and lows near 52°F. Over 52 years of records, the warmest May 23rd was in 2000 (73°F average), while the coldest was 1977 (53°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 23rd dates historically. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for May 23rd in Hayward, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 56° | 60° | — | — |
| 2024 | 70° | 53° | 61° | — | — |
| 2023 | 67° | 54° | 60° | — | — |
| 2022 | 73° | 52° | 62° | — | — |
| 2021 | 63° | 52° | 57° | — | — |
| 2020 | 76° | 51° | 63° | — | — |
| 2019 | 69° | 55° | 62° | — | — |
| 2018 | 63° | 55° | 59° | — | — |
| 2017 | 74° | 55° | 64° | — | — |
| 2016 | 67° | 56° | 61° | — | — |
| 2015 | 63° | 54° | 58° | — | — |
| 2014 | 69° | 52° | 60° | — | — |
| 2013 | 64° | 50° | 57° | — | — |
| 2012 | 67° | 52° | 59° | — | — |
| 2011 | 65° | 52° | 58° | — | — |
| 2010 | 65° | 45° | 55° | — | — |
| 2009 | 60° | 52° | 56° | — | — |
| 2008 | 67° | 49° | 58° | — | — |
| 2007 | 83° | 54° | 68° | — | — |
| 2006 | 73° | 60° | 67° | — | — |
| 2005 | 71° | 54° | 62° | — | — |
| 2004 | 65° | 55° | 60° | — | — |
| 2003 | 75° | 55° | 65° | — | — |
| 2002 | 74° | 48° | 61° | — | — |
| 2001 | 71° | 55° | 63° | — | — |
| 2000warmest | 86° | 61° | 73° | 0.08" | — |
| 1999 | 68° | 53° | 61° | — | — |
| 1998 | 64° | 51° | 58° | — | — |
| 1997 | 69° | 54° | 61° | — | — |
| 1996 | 70° | 49° | 59° | — | — |
| 1995 | 68° | 57° | 63° | — | — |
| 1994 | 77° | 52° | 64° | — | — |
| 1993 | 64° | 52° | 58° | — | — |
| 1989 | 64° | 47° | 55° | 0.08" | — |
| 1988 | 70° | 50° | 60° | — | — |
| 1987 | 68° | 52° | 60° | — | — |
| 1986 | 74° | 45° | 59° | — | — |
| 1985 | 76° | 52° | 64° | — | — |
| 1984 | 85° | 53° | 69° | — | — |
| 1983 | 72° | 52° | 62° | — | — |
| 1982 | 76° | 54° | 65° | — | — |
| 1981 | 73° | 51° | 62° | — | — |
| 1980 | 64° | 48° | 56° | — | — |
| 1979 | 72° | 53° | 62° | — | — |
| 1978 | 69° | 47° | 58° | — | — |
| 1977coldest | 58° | 49° | 53° | — | — |
| 1976 | 74° | 43° | 58° | — | — |
| 1975 | 70° | 45° | 57° | — | — |
| 1974 | 73° | 44° | 59° | — | — |
| 1973 | 66° | 55° | 61° | — | — |
| 1972 | 69° | 46° | 58° | — | — |
| 1971 | 72° | 47° | 59° | — | — |
52 years of data from HAYWARD AIR TERMINAL