Weather on April 20
Hayward, CA
55 Years of Data
Avg High
67°F
Avg Low
48°F
Warmest
2009
78°F avg
Coldest
1995
31°F avg
About This Date
April 20th in Hayward, CA typically brings mild spring weather, with average highs around 67°F and lows near 48°F. Over 51 years of records, the warmest April 20th was in 2009 (78°F average), while the coldest was 1995 (31°F) — a 47°F range across recorded history. Rain or other precipitation has occurred on about 16% of April 20th dates historically, with the wettest April 20th recording 1.42" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for April 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 | 71° | 52° | 61° | — | — |
| 2024 | 69° | 52° | 60° | — | — |
| 2023 | 66° | 44° | 55° | — | — |
| 2022 | 68° | 48° | 58° | 0.69" | — |
| 2021 | 58° | 51° | 54° | — | — |
| 2020 | 63° | 54° | 58° | — | — |
| 2019 | 62° | 51° | 57° | — | — |
| 2018 | 71° | 47° | 59° | — | — |
| 2017 | 69° | 54° | 61° | 0.08" | — |
| 2016 | 76° | 50° | 63° | — | — |
| 2015 | 64° | 54° | 59° | — | — |
| 2014 | 76° | 49° | 62° | — | — |
| 2013 | 74° | 50° | 62° | — | — |
| 2012 | 82° | 56° | 69° | — | — |
| 2011 | 67° | 54° | 60° | — | — |
| 2010 | 61° | 50° | 55° | 1.42" | — |
| 2009warmest | 95° | 61° | 78° | — | — |
| 2008 | 56° | 40° | 48° | — | — |
| 2007 | 61° | 47° | 54° | 0.25" | — |
| 2006 | 64° | 49° | 56° | — | — |
| 2005 | 61° | 50° | 55° | — | — |
| 2004 | 64° | 55° | 60° | 0.08" | — |
| 2003 | 60° | 52° | 56° | — | — |
| 2002 | 59° | 49° | 54° | — | — |
| 2001 | 56° | 44° | 50° | 1.4" | — |
| 2000 | 68° | 51° | 60° | — | — |
| 1999 | 61° | 51° | 56° | — | — |
| 1998 | 72° | 48° | 60° | — | — |
| 1997 | 64° | 55° | 60° | — | — |
| 1996 | 59° | 44° | 52° | — | — |
| 1995coldest | 61° | 1° | 31° | — | — |
| 1994 | 62° | 48° | 55° | — | — |
| 1993 | 69° | 51° | 60° | — | — |
| 1989 | 74° | 54° | 64° | — | — |
| 1987 | 74° | 48° | 61° | — | — |
| 1986 | 80° | 54° | 67° | — | — |
| 1985 | 62° | 44° | 53° | — | — |
| 1984 | 59° | 42° | 51° | — | — |
| 1983 | 69° | 52° | 60° | 0.91" | — |
| 1982 | 78° | 60° | 69° | — | — |
| 1981 | 59° | 47° | 53° | — | — |
| 1980 | 69° | 55° | 62° | — | — |
| 1979 | 63° | 39° | 51° | — | — |
| 1978 | 66° | 48° | 57° | 0.18" | — |
| 1977 | 81° | 45° | 63° | — | — |
| 1976 | 74° | 39° | 56° | — | — |
| 1975 | 61° | 42° | 51° | — | — |
| 1974 | 69° | 41° | 55° | — | — |
| 1973 | 65° | 44° | 54° | — | — |
| 1972 | 68° | 40° | 54° | — | — |
| 1971 | 58° | 42° | 50° | — | — |
51 years of data from HAYWARD AIR TERMINAL