Weather on March 21
Edison, NJ
55 Years of Data
Avg High
52°F
Avg Low
32°F
Warmest
1976
63°F avg
Coldest
1981
29°F avg
About This Date
March 21st in Edison, NJ typically brings cool spring weather, with average highs around 52°F and lows near 32°F. Over 56 years of records, the warmest March 21st was in 1976 (63°F average), while the coldest was 1981 (29°F) — a 34°F range across recorded history. Precipitation has occurred on 41% of recorded March 21st dates, with snow falling 13% of the time (heaviest snowfall: 4.3"). The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
Planning for March 21st in Edison, NJ? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 68° | 37° | 53° | 0.18" | — |
| 2025 | 63° | 39° | 51° | 1.78" | — |
| 2024 | 58° | 28° | 43° | — | — |
| 2023 | 53° | 27° | 40° | — | — |
| 2022 | 58° | 42° | 50° | — | — |
| 2021 | 60° | 28° | 44° | — | — |
| 2020 | 80° | 42° | 61° | — | — |
| 2019 | 55° | 29° | 42° | 0.1" | — |
| 2018 | 39° | 31° | 35° | 0.25" | 0.3" |
| 2017 | 52° | 33° | 42° | — | — |
| 2016 | 44° | 29° | 36° | 0.2" | 0.5" |
| 2015 | 38° | 28° | 33° | 1.6" | 4.3" |
| 2014 | 55° | 34° | 44° | — | — |
| 2013 | 47° | 31° | 39° | — | — |
| 2012 | 73° | 52° | 62° | — | — |
| 2011 | 53° | 34° | 43° | 0.51" | — |
| 2010 | 76° | 41° | 58° | — | — |
| 2009 | 46° | 27° | 36° | 0.08" | — |
| 2008 | 51° | 33° | 42° | — | — |
| 2007 | 52° | 25° | 38° | — | — |
| 2006 | 44° | 21° | 33° | — | — |
| 2005 | 43° | 38° | 40° | 0.41" | — |
| 2004 | 53° | 23° | 38° | 0.3" | — |
| 2003 | 58° | 37° | 47° | 2.84" | — |
| 2002 | 46° | 36° | 41° | 2.39" | — |
| 2001 | 54° | 38° | 46° | — | — |
| 2000 | 45° | 34° | 39° | — | — |
| 1999 | 53° | 26° | 40° | — | — |
| 1998 | 47° | 35° | 41° | 0.94" | — |
| 1997 | 47° | 29° | 38° | — | — |
| 1996 | 44° | 32° | 38° | — | — |
| 1995 | 60° | 37° | 49° | 0.03" | — |
| 1994 | 48° | 26° | 37° | — | — |
| 1993 | 40° | 21° | 30° | 0.23" | 0.6" |
| 1992 | 40° | 23° | 31° | — | — |
| 1991 | 56° | 33° | 44° | — | — |
| 1990 | 46° | 34° | 40° | 1.73" | — |
| 1989 | 44° | 32° | 38° | 1.12" | 0.5" |
| 1988 | 42° | 19° | 31° | 0.05" | 0.4" |
| 1987 | 46° | 29° | 37° | — | — |
| 1986 | 44° | 15° | 30° | — | — |
| 1985 | 60° | 28° | 44° | — | — |
| 1984 | 58° | 38° | 48° | — | — |
| 1983 | 56° | 37° | 46° | — | — |
| 1982 | 55° | 42° | 49° | — | — |
| 1981coldest | 36° | 23° | 29° | — | — |
| 1980 | 59° | 44° | 52° | 0.43" | — |
| 1979 | 61° | 37° | 49° | — | — |
| 1978 | 49° | 35° | 42° | — | — |
| 1977 | 41° | 33° | 37° | 0.33" | 0.3" |
| 1976warmest | 74° | 52° | 63° | — | — |
| 1975 | 50° | 35° | 43° | 0.2" | — |
| 1974 | 51° | 32° | 42° | 0.46" | — |
| 1973 | 48° | 27° | 37° | — | — |
| 1972 | 47° | 29° | 38° | — | — |
| 1971 | 43° | 32° | 37° | 0.05" | — |
56 years of data from NEW BRUNSWICK 3 SE