Weather on October 15
Hayward, CA
55 Years of Data
Avg High
73°F
Avg Low
54°F
Warmest
2020
79°F avg
Coldest
1980
54°F avg
About This Date
October 15th in Hayward, CA typically brings pleasant fall weather, with average highs around 73°F and lows near 54°F. Over 53 years of records, the warmest October 15th was in 2020 (79°F average), while the coldest was 1980 (54°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 11% of October 15th dates historically, with the wettest October 15th recording 1.19" of rain. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for October 15th 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 | 63° | 52° | 57° | — | — |
| 2024 | 74° | 58° | 66° | — | — |
| 2023 | 80° | 59° | 70° | — | — |
| 2022 | 68° | 57° | 63° | — | — |
| 2021 | 81° | 51° | 66° | — | — |
| 2020warmest | 97° | 61° | 79° | — | — |
| 2019 | 67° | 49° | 58° | — | — |
| 2018 | 80° | 51° | 66° | — | — |
| 2017 | 80° | 50° | 65° | — | — |
| 2016 | 74° | 58° | 66° | 1.02" | — |
| 2015 | 74° | 61° | 67° | — | — |
| 2014 | 74° | 61° | 67° | 0.05" | — |
| 2013 | 82° | — | — | — | — |
| 2012 | 74° | 58° | 66° | — | — |
| 2011 | 73° | 58° | 65° | — | — |
| 2010 | 79° | 56° | 67° | — | — |
| 2009 | 78° | 65° | 71° | — | — |
| 2008 | 81° | 53° | 67° | — | — |
| 2007 | 66° | 53° | 60° | 0.13" | — |
| 2006 | 58° | 55° | 56° | — | — |
| 2005 | 65° | 54° | 59° | 0.25" | — |
| 2004 | 71° | 54° | 62° | — | — |
| 2003 | 63° | 50° | 56° | — | — |
| 2002 | 62° | 54° | 58° | — | — |
| 2001 | 84° | 57° | 71° | — | — |
| 2000 | 69° | 54° | 61° | — | — |
| 1999 | 80° | 54° | 67° | — | — |
| 1998 | 66° | 50° | 58° | — | — |
| 1997 | 81° | 67° | 74° | — | — |
| 1996 | 73° | 51° | 62° | — | — |
| 1995 | 66° | 53° | 60° | — | — |
| 1994 | 69° | 50° | 60° | — | — |
| 1993 | 59° | 55° | 57° | — | — |
| 1992 | 65° | 52° | 58° | — | — |
| 1989 | 58° | 52° | 55° | — | — |
| 1988 | 70° | 51° | 60° | — | — |
| 1987 | 73° | 53° | 63° | — | — |
| 1986 | 81° | 50° | 65° | — | — |
| 1985 | 82° | 49° | 65° | — | — |
| 1984 | 70° | 48° | 59° | — | — |
| 1983 | 73° | 50° | 62° | — | — |
| 1982 | 70° | 52° | 61° | — | — |
| 1981 | 67° | 45° | 56° | — | — |
| 1980coldest | 63° | 46° | 54° | — | — |
| 1979 | 75° | 60° | 68° | 0.1" | — |
| 1978 | 88° | 56° | 72° | — | — |
| 1977 | 83° | 51° | 67° | — | — |
| 1976 | 83° | 58° | 70° | — | — |
| 1975 | 73° | 45° | 59° | — | — |
| 1974 | 82° | 53° | 68° | — | — |
| 1973 | 77° | 47° | 62° | — | — |
| 1972 | 65° | 53° | 59° | 1.19" | — |
| 1971 | 69° | 46° | 58° | — | — |
53 years of data from HAYWARD AIR TERMINAL