Weather on March 20
Norwalk, CA
55 Years of Data
Avg High
71°F
Avg Low
52°F
Warmest
2026
78°F avg
Coldest
2006
53°F avg
About This Date
March 20th in Norwalk, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 52°F. Over 56 years of records, the warmest March 20th was in 2026 (78°F average), while the coldest was 2006 (53°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 23% of March 20th dates historically, with the wettest March 20th recording 4.88" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for March 20th in Norwalk, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 94° | 62° | 78° | — | — |
| 2025 | 74° | 55° | 64° | — | — |
| 2024 | 72° | 52° | 62° | — | — |
| 2023 | 64° | 55° | 60° | 0.43" | — |
| 2022 | 74° | 54° | 64° | 0.03" | — |
| 2021 | 68° | 53° | 61° | — | — |
| 2020 | 65° | 52° | 58° | — | — |
| 2019 | 67° | 54° | 60° | 0.25" | — |
| 2018 | 75° | 55° | 65° | — | — |
| 2017 | 70° | 59° | 64° | — | — |
| 2016 | 75° | 56° | 65° | — | — |
| 2015 | 79° | 60° | 69° | — | — |
| 2014 | 75° | 54° | 64° | — | — |
| 2013 | 75° | 54° | 64° | — | — |
| 2012 | 73° | 45° | 59° | — | — |
| 2011 | 59° | 50° | 55° | 2.77" | — |
| 2010 | 78° | 50° | 64° | — | — |
| 2009 | 66° | 55° | 61° | — | — |
| 2008 | 70° | 51° | 60° | — | — |
| 2007 | 64° | 54° | 59° | — | — |
| 2006coldest | 61° | 45° | 53° | 0.69" | — |
| 2005 | 68° | 49° | 58° | 0.28" | — |
| 2004 | 76° | 56° | 66° | — | — |
| 2003 | 65° | 49° | 57° | — | — |
| 2002 | 81° | 44° | 62° | — | — |
| 2001 | 79° | 56° | 67° | — | — |
| 2000 | 71° | 56° | 63° | — | — |
| 1999 | 64° | 48° | 56° | 0.3" | — |
| 1998 | 72° | 55° | 63° | — | — |
| 1997 | 90° | 54° | 72° | — | — |
| 1996 | 70° | 54° | 62° | — | — |
| 1995 | 68° | 61° | 64° | — | — |
| 1994 | 70° | 55° | 62° | — | — |
| 1993 | 68° | 57° | 63° | — | — |
| 1992 | 61° | 55° | 58° | 4.88" | — |
| 1991 | 59° | 50° | 55° | 1.65" | — |
| 1990 | 88° | 57° | 72° | — | — |
| 1989 | 85° | 57° | 71° | — | — |
| 1988 | 88° | 52° | 70° | — | — |
| 1987 | 65° | 43° | 54° | — | — |
| 1986 | 82° | 47° | 64° | — | — |
| 1985 | 69° | 47° | 58° | — | — |
| 1984 | 79° | 52° | 65° | — | — |
| 1983 | 63° | 50° | 56° | 0.15" | — |
| 1982 | 69° | 42° | 56° | — | — |
| 1981 | 64° | 52° | 58° | 0.03" | — |
| 1980 | 68° | 47° | 57° | — | — |
| 1979 | 69° | 51° | 60° | 1.02" | — |
| 1978 | 72° | 63° | 67° | — | — |
| 1977 | 67° | 44° | 55° | — | — |
| 1976 | 83° | 46° | 64° | — | — |
| 1975 | 64° | 51° | 58° | — | — |
| 1974 | 63° | 53° | 58° | — | — |
| 1973 | 61° | 50° | 55° | 1.52" | — |
| 1972 | 66° | 55° | 61° | — | — |
| 1971 | 71° | 53° | 62° | — | — |
56 years of data from FULLERTON MUNI AP