Weather on April 21
Edison, NJ
55 Years of Data
Avg High
65°F
Avg Low
43°F
Warmest
1976
74°F avg
Coldest
1983
39°F avg
About This Date
April 21st in Edison, NJ typically brings mild spring weather, with average highs around 65°F and lows near 43°F. Over 55 years of records, the warmest April 21st was in 1976 (74°F average), while the coldest was 1983 (39°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 25% of April 21st dates historically, with the wettest April 21st recording 3.18" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 21st in Edison, NJ? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 45° | 57° | — | — |
| 2024 | 70° | 35° | 52° | — | — |
| 2023 | 66° | 44° | 55° | — | — |
| 2022 | 60° | 36° | 48° | — | — |
| 2021 | 75° | 54° | 64° | — | — |
| 2020 | 57° | 37° | 47° | — | — |
| 2019 | 74° | 50° | 62° | 0.18" | — |
| 2018 | 53° | 33° | 43° | — | — |
| 2017 | 69° | 48° | 59° | 0.08" | — |
| 2016 | 70° | 37° | 53° | — | — |
| 2015 | 67° | 48° | 57° | 3.18" | — |
| 2014 | 58° | 30° | 44° | — | — |
| 2013 | 59° | 34° | 46° | — | — |
| 2012 | 72° | 52° | 62° | — | — |
| 2011 | 72° | 46° | 59° | — | — |
| 2010 | 71° | 42° | 57° | — | — |
| 2009 | 50° | 43° | 46° | 2.97" | — |
| 2008 | 59° | 49° | 54° | — | — |
| 2007 | 72° | 35° | 53° | — | — |
| 2006 | 84° | 50° | 67° | — | — |
| 2005 | 87° | 53° | 70° | — | — |
| 2004 | 71° | 49° | 60° | 0.18" | — |
| 2003 | 65° | 36° | 50° | — | — |
| 2002 | 69° | 47° | 58° | 0.13" | — |
| 2001 | 63° | 33° | 48° | — | — |
| 2000 | 65° | 48° | 56° | 0.03" | — |
| 1999 | 51° | 37° | 44° | 0.43" | — |
| 1998 | 59° | 40° | 49° | — | — |
| 1997 | 58° | 34° | 46° | — | — |
| 1996 | 75° | 51° | 63° | — | — |
| 1995 | 69° | 53° | 61° | — | — |
| 1994 | 63° | 38° | 50° | — | — |
| 1993 | 76° | 53° | 64° | — | — |
| 1992 | 57° | 43° | 50° | — | — |
| 1991 | 48° | 41° | 45° | 1.8" | — |
| 1990 | 67° | 43° | 55° | — | — |
| 1989 | 64° | 39° | 52° | — | — |
| 1988 | 56° | 36° | 46° | — | — |
| 1987 | 73° | 53° | 63° | — | — |
| 1986 | 69° | 49° | 59° | 0.15" | — |
| 1985 | 61° | 46° | 53° | — | — |
| 1984 | 62° | 44° | 53° | — | — |
| 1983coldest | 45° | 34° | 39° | 0.05" | — |
| 1982 | 73° | 50° | 62° | — | — |
| 1981 | 56° | 31° | 43° | — | — |
| 1980 | 75° | 53° | 64° | 0.18" | — |
| 1979 | 63° | 31° | 47° | — | — |
| 1978 | 59° | 45° | 52° | 0.08" | — |
| 1977 | 63° | 43° | 53° | — | — |
| 1976warmest | 90° | 58° | 74° | — | — |
| 1975 | 58° | 38° | 48° | — | — |
| 1974 | 63° | 40° | 51° | — | — |
| 1973 | 61° | 39° | 50° | — | — |
| 1972 | 63° | 35° | 49° | 0.58" | — |
| 1971 | 70° | 47° | 58° | — | — |
55 years of data from NEW BRUNSWICK 3 SE