Weather on March 31
Hayward, CA
55 Years of Data
Avg High
66°F
Avg Low
46°F
Warmest
2000
72°F avg
Coldest
1995
34°F avg
About This Date
March 31st in Hayward, CA typically brings mild spring weather, with average highs around 66°F and lows near 46°F. Over 52 years of records, the warmest March 31st was in 2000 (72°F average), while the coldest was 1995 (34°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 27% of March 31st dates historically, with the wettest March 31st recording 3.05" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for March 31st in Hayward, CA? Great weather for outdoor activities.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 67° | 58° | 62° | 0.3" | — |
| 2025 | 64° | 53° | 59° | 0.46" | — |
| 2024 | 65° | 46° | 55° | — | — |
| 2023 | 60° | 42° | 51° | — | — |
| 2022 | 64° | 47° | 55° | — | — |
| 2021 | 81° | 49° | 65° | — | — |
| 2020 | 64° | 49° | 56° | — | — |
| 2019 | 72° | 45° | 58° | — | — |
| 2018 | 67° | 52° | 59° | — | — |
| 2017 | 75° | 51° | 63° | — | — |
| 2016 | 66° | 55° | 61° | — | — |
| 2015 | 69° | 54° | 61° | — | — |
| 2014 | 56° | 44° | 50° | 1.02" | — |
| 2013 | 69° | 54° | 61° | 0.2" | — |
| 2012 | 60° | 48° | 54° | 1.07" | — |
| 2011 | 87° | 52° | 69° | — | — |
| 2010 | 59° | 45° | 52° | 0.71" | — |
| 2009 | 69° | 43° | 56° | — | — |
| 2008 | 61° | 39° | 50° | — | — |
| 2007 | 67° | 46° | 56° | — | — |
| 2006 | 60° | 47° | 53° | 0.81" | — |
| 2005 | 70° | 45° | 57° | — | — |
| 2004 | 61° | 47° | 54° | — | — |
| 2003 | 69° | 53° | 61° | — | — |
| 2002 | 70° | 46° | 58° | — | — |
| 2001 | 72° | 53° | 62° | — | — |
| 2000warmest | 82° | 63° | 72° | — | — |
| 1999 | 53° | 43° | 48° | 0.03" | — |
| 1998 | 45° | 42° | 43° | — | — |
| 1997 | 60° | 41° | 51° | — | — |
| 1996 | 71° | 49° | 60° | — | — |
| 1995coldest | 67° | 1° | 34° | — | — |
| 1994 | 67° | 45° | 56° | — | — |
| 1993 | 58° | 46° | 52° | — | — |
| 1989 | 64° | 45° | 54° | 0.1" | — |
| 1987 | 81° | 50° | 65° | — | — |
| 1986 | 60° | 50° | 55° | — | — |
| 1985 | 69° | 46° | 58° | — | — |
| 1984 | 66° | 45° | 55° | 0.3" | — |
| 1983 | 68° | 49° | 58° | 0.25" | — |
| 1982 | 52° | 46° | 49° | 3.05" | — |
| 1981 | 65° | 42° | 53° | — | — |
| 1980 | 69° | 47° | 58° | — | — |
| 1979 | 63° | 40° | 51° | — | — |
| 1978 | 64° | 52° | 58° | 0.81" | — |
| 1977 | 63° | 38° | 50° | — | — |
| 1976 | 71° | 36° | 53° | — | — |
| 1975 | 68° | 40° | 54° | — | — |
| 1974 | 58° | 37° | 47° | — | — |
| 1973 | 59° | 38° | 48° | 2.54" | — |
| 1972 | 69° | 41° | 55° | — | — |
| 1971 | 61° | 38° | 49° | — | — |
52 years of data from HAYWARD AIR TERMINAL