Weather on October 18
Hayward, CA
55 Years of Data
Avg High
73°F
Avg Low
52°F
Warmest
1988
78°F avg
Coldest
1971
51°F avg
About This Date
October 18th in Hayward, CA typically brings pleasant fall weather, with average highs around 73°F and lows near 52°F. Over 53 years of records, the warmest October 18th was in 1988 (78°F average), while the coldest was 1971 (51°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 2% of October 18th dates historically. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in Hayward, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 54° | 65° | — | — |
| 2024 | 77° | 54° | 65° | — | — |
| 2023 | 86° | 57° | 72° | — | — |
| 2022 | 79° | 56° | 67° | — | — |
| 2021 | 62° | 50° | 56° | — | — |
| 2020 | 84° | 60° | 72° | — | — |
| 2019 | 67° | 49° | 58° | — | — |
| 2018 | 72° | 54° | 63° | — | — |
| 2017 | 68° | 45° | 56° | — | — |
| 2016 | 70° | 52° | 61° | — | — |
| 2015 | 70° | 61° | 65° | — | — |
| 2014 | 77° | 57° | 67° | — | — |
| 2013 | 73° | — | — | — | — |
| 2012 | 88° | 57° | 72° | — | — |
| 2011 | 71° | 57° | 64° | — | — |
| 2010 | 66° | 54° | 60° | — | — |
| 2009 | 64° | 59° | 62° | — | — |
| 2008 | 73° | 53° | 63° | — | — |
| 2007 | 70° | 51° | 60° | — | — |
| 2006 | 74° | 50° | 62° | — | — |
| 2005 | 70° | 57° | 63° | — | — |
| 2004 | 65° | 54° | 59° | — | — |
| 2003 | 72° | 55° | 63° | — | — |
| 2002 | 63° | 55° | 59° | — | — |
| 2001 | 73° | 53° | 63° | — | — |
| 2000 | 69° | 54° | 61° | — | — |
| 1999 | 74° | 52° | 63° | — | — |
| 1998 | 72° | 49° | 60° | — | — |
| 1997 | 72° | 51° | 61° | — | — |
| 1996 | 62° | 50° | 56° | — | — |
| 1995 | 82° | 58° | 70° | — | — |
| 1994 | 69° | 48° | 59° | — | — |
| 1993 | 67° | 50° | 58° | — | — |
| 1992 | 64° | 53° | 59° | — | — |
| 1989 | 85° | 53° | 69° | — | — |
| 1988warmest | 95° | 61° | 78° | — | — |
| 1987 | 80° | 50° | 65° | — | — |
| 1986 | 70° | 50° | 60° | 0.1" | — |
| 1985 | 67° | 53° | 60° | — | — |
| 1984 | 62° | 42° | 52° | — | — |
| 1983 | 72° | 54° | 63° | — | — |
| 1982 | 72° | 48° | 60° | — | — |
| 1981 | 74° | 48° | 61° | — | — |
| 1980 | 70° | 46° | 58° | — | — |
| 1979 | 73° | 56° | 64° | — | — |
| 1978 | 80° | 60° | 70° | — | — |
| 1977 | 68° | 52° | 60° | — | — |
| 1976 | 86° | 43° | 64° | — | — |
| 1975 | 68° | 49° | 58° | — | — |
| 1974 | 91° | 59° | 75° | — | — |
| 1973 | 80° | 46° | 63° | — | — |
| 1972 | 69° | 49° | 59° | — | — |
| 1971coldest | 62° | 40° | 51° | — | — |
53 years of data from HAYWARD AIR TERMINAL