Weather on March 20
Hayward, CA
55 Years of Data
Avg High
65°F
Avg Low
46°F
Warmest
2026
74°F avg
Coldest
1995
30°F avg
About This Date
March 20th in Hayward, CA typically brings mild spring weather, with average highs around 65°F and lows near 46°F. Over 53 years of records, the warmest March 20th was in 2026 (74°F average), while the coldest was 1995 (30°F) — a 44°F range across recorded history. Rain or other precipitation has occurred on about 25% of March 20th dates historically, with the wettest March 20th recording 1.98" of rain. The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
Planning for March 20th in Hayward, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 88° | 60° | 74° | — | — |
| 2025 | 64° | 49° | 56° | — | — |
| 2024 | 68° | 52° | 60° | — | — |
| 2023 | 56° | 48° | 52° | 0.03" | — |
| 2022 | 63° | 42° | 52° | — | — |
| 2021 | 58° | 40° | 49° | — | — |
| 2020 | 64° | 43° | 53° | — | — |
| 2019 | 56° | 46° | 51° | — | — |
| 2018 | 58° | 53° | 55° | 0.66" | — |
| 2017 | 64° | 53° | 59° | 0.48" | — |
| 2016 | 70° | 51° | 60° | — | — |
| 2015 | 72° | 52° | 62° | — | — |
| 2014 | 70° | 49° | 59° | — | — |
| 2013 | 65° | 52° | 58° | — | — |
| 2012 | 64° | 50° | 57° | — | — |
| 2011 | 56° | 46° | 51° | 0.36" | — |
| 2010 | 67° | 47° | 57° | — | — |
| 2009 | 61° | 51° | 56° | — | — |
| 2008 | 59° | 43° | 51° | — | — |
| 2007 | 58° | 49° | 53° | 0.25" | — |
| 2006 | 52° | 45° | 48° | 1.63" | — |
| 2005 | 62° | 53° | 58° | 0.97" | — |
| 2004 | 79° | 51° | 65° | — | — |
| 2003 | 61° | 49° | 55° | — | — |
| 2002 | 69° | 45° | 57° | — | — |
| 2001 | 77° | 56° | 66° | — | — |
| 2000 | 68° | 48° | 58° | — | — |
| 1999 | 59° | 45° | 52° | 0.05" | — |
| 1998 | 56° | 50° | 53° | — | — |
| 1997 | 75° | 54° | 64° | — | — |
| 1996 | 69° | 48° | 59° | — | — |
| 1995coldest | 59° | 1° | 30° | — | — |
| 1994 | 61° | 44° | 52° | — | — |
| 1993 | 66° | 47° | 56° | — | — |
| 1990 | 67° | 47° | 57° | — | — |
| 1989 | 66° | 47° | 56° | 0.03" | — |
| 1987 | 58° | 36° | 47° | 0.05" | — |
| 1986 | 75° | 48° | 62° | — | — |
| 1985 | 64° | 46° | 55° | — | — |
| 1984 | 69° | 49° | 59° | — | — |
| 1983 | 64° | 45° | 54° | — | — |
| 1982 | 57° | 38° | 47° | — | — |
| 1981 | 59° | 42° | 51° | 0.51" | — |
| 1980 | 73° | 48° | 61° | — | — |
| 1979 | 62° | 47° | 54° | — | — |
| 1978 | 73° | 51° | 62° | — | — |
| 1977 | 63° | 45° | 54° | — | — |
| 1976 | 58° | 35° | 46° | — | — |
| 1975 | 58° | 36° | 47° | 0.15" | — |
| 1974 | 74° | 40° | 57° | — | — |
| 1973 | 52° | 41° | 46° | 1.98" | — |
| 1972 | 68° | 45° | 56° | — | — |
| 1971 | 73° | 46° | 60° | — | — |
53 years of data from HAYWARD AIR TERMINAL