Weather on March 18
Norwalk, CA
55 Years of Data
Avg High
71°F
Avg Low
51°F
Warmest
2026
77°F avg
Coldest
1982
52°F avg
About This Date
March 18th in Norwalk, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 51°F. Over 56 years of records, the warmest March 18th was in 2026 (77°F average), while the coldest was 1982 (52°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 14% of March 18th dates historically, with the wettest March 18th recording 2.46" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for March 18th in Norwalk, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 92° | 62° | 77° | — | — |
| 2025 | 69° | 45° | 57° | — | — |
| 2024 | 76° | 50° | 63° | — | — |
| 2023 | 78° | 48° | 63° | — | — |
| 2022 | 79° | 51° | 65° | — | — |
| 2021 | 71° | 48° | 60° | — | — |
| 2020 | 65° | 44° | 54° | — | — |
| 2019 | 76° | 53° | 64° | — | — |
| 2018 | 64° | 46° | 55° | — | — |
| 2017 | 75° | 57° | 66° | — | — |
| 2016 | 76° | 59° | 67° | — | — |
| 2015 | 74° | 62° | 68° | — | — |
| 2014 | 75° | 57° | 66° | — | — |
| 2013 | 68° | 55° | 62° | — | — |
| 2012 | 60° | 48° | 54° | 0.15" | — |
| 2011 | 70° | 48° | 59° | — | — |
| 2010 | 74° | 52° | 63° | — | — |
| 2009 | 83° | 51° | 67° | — | — |
| 2008 | 73° | 47° | 60° | — | — |
| 2007 | 62° | 55° | 59° | — | — |
| 2006 | 61° | 43° | 52° | — | — |
| 2005 | 64° | 50° | 57° | 0.43" | — |
| 2004 | 73° | 57° | 65° | — | — |
| 2003 | 74° | 46° | 60° | — | — |
| 2002 | 66° | 42° | 54° | — | — |
| 2001 | 79° | 51° | 65° | — | — |
| 2000 | 80° | 51° | 66° | — | — |
| 1999 | 64° | 48° | 56° | — | — |
| 1998 | 72° | 58° | 65° | — | — |
| 1997 | 83° | 50° | 66° | — | — |
| 1996 | 70° | 55° | 62° | — | — |
| 1995 | 69° | 57° | 63° | — | — |
| 1994 | 72° | 56° | 64° | — | — |
| 1993 | 70° | 57° | 63° | — | — |
| 1992 | 65° | 50° | 57° | — | — |
| 1991 | 64° | 52° | 58° | 2.46" | — |
| 1990 | 79° | 47° | 63° | — | — |
| 1989 | 73° | 49° | 61° | — | — |
| 1988 | 84° | 48° | 66° | — | — |
| 1987 | 63° | 48° | 55° | — | — |
| 1986 | 71° | 43° | 57° | — | — |
| 1985 | 59° | 45° | 52° | 0.51" | — |
| 1984 | 79° | 49° | 64° | — | — |
| 1983 | 62° | 51° | 57° | 1.4" | — |
| 1982coldest | 60° | 45° | 52° | 0.2" | — |
| 1981 | 68° | 51° | 60° | — | — |
| 1980 | 63° | 49° | 56° | 0.03" | — |
| 1979 | 64° | 50° | 57° | 0.15" | — |
| 1978 | 77° | 64° | 71° | — | — |
| 1977 | 66° | 42° | 54° | — | — |
| 1976 | 69° | 55° | 62° | — | — |
| 1975 | 70° | 45° | 57° | — | — |
| 1974 | 63° | 55° | 59° | — | — |
| 1973 | 65° | 47° | 56° | — | — |
| 1972 | 64° | 52° | 58° | — | — |
| 1971 | 82° | 54° | 68° | — | — |
56 years of data from FULLERTON MUNI AP