Weather on April 21
Cambridge, MA
55 Years of Data
Avg High
62°F
Avg Low
41°F
Warmest
1986
70°F avg
Coldest
1981
41°F avg
About This Date
April 21st in Cambridge, MA typically brings mild spring weather, with average highs around 62°F and lows near 41°F. Over 55 years of records, the warmest April 21st was in 1986 (70°F average), while the coldest was 1981 (41°F) — a 29°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 3.43" 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 Cambridge, MA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 36° | 50° | — | — |
| 2024 | 59° | 37° | 48° | 0.64" | — |
| 2023 | 64° | 41° | 53° | — | — |
| 2022 | 57° | 38° | 47° | — | — |
| 2021 | 76° | 44° | 60° | — | — |
| 2020 | 51° | 30° | 41° | — | — |
| 2019 | 71° | 57° | 64° | 0.53" | — |
| 2018 | 54° | 37° | 45° | — | — |
| 2017 | 61° | 44° | 52° | 0.74" | — |
| 2016 | 58° | 38° | 48° | — | — |
| 2015 | 58° | 42° | 50° | 2.84" | — |
| 2014 | 53° | 32° | 43° | — | — |
| 2013 | 58° | 35° | 46° | 0.08" | — |
| 2012 | 77° | 52° | 64° | — | — |
| 2011 | 49° | 41° | 45° | — | — |
| 2010 | 68° | 40° | 54° | — | — |
| 2009 | 52° | 42° | 47° | 1.6" | — |
| 2008 | 65° | 41° | 53° | — | — |
| 2007 | 75° | 44° | 60° | — | — |
| 2006 | 49° | 43° | 46° | — | — |
| 2005 | 54° | 41° | 47° | 0.18" | — |
| 2004 | 61° | 43° | 52° | — | — |
| 2003 | 59° | 34° | 46° | — | — |
| 2002 | 69° | 42° | 56° | — | — |
| 2001 | 69° | 29° | 49° | — | — |
| 2000 | 62° | 42° | 52° | 0.05" | — |
| 1999 | 65° | 37° | 51° | — | — |
| 1998 | 54° | 44° | 49° | — | — |
| 1997 | 61° | 39° | 50° | — | — |
| 1996 | 73° | 50° | 62° | — | — |
| 1995 | 69° | 42° | 56° | — | — |
| 1994 | 60° | 36° | 48° | — | — |
| 1993 | 72° | 51° | 61° | — | — |
| 1992 | 65° | 42° | 53° | — | — |
| 1991 | 54° | 40° | 47° | 3.43" | — |
| 1990 | 64° | 40° | 52° | 0.81" | — |
| 1989 | 61° | 37° | 49° | — | — |
| 1988 | 51° | 30° | 41° | — | — |
| 1987 | 54° | 48° | 51° | — | — |
| 1986warmest | 75° | 64° | 70° | — | — |
| 1985 | 66° | 42° | 54° | — | — |
| 1984 | 59° | 41° | 50° | — | — |
| 1983 | 46° | 35° | 41° | 0.33" | — |
| 1982 | 71° | 49° | 60° | — | — |
| 1981coldest | 53° | 29° | 41° | 0.08" | — |
| 1980 | 74° | 49° | 61° | — | — |
| 1979 | 55° | 31° | 43° | — | — |
| 1978 | 63° | 44° | 53° | 0.2" | — |
| 1977 | 73° | 43° | 58° | — | — |
| 1976 | 86° | 52° | 69° | — | — |
| 1975 | 57° | 39° | 48° | — | — |
| 1974 | 55° | 37° | 46° | — | — |
| 1973 | 55° | 40° | 47° | — | — |
| 1972 | 64° | 34° | 49° | 1.96" | — |
| 1971 | 60° | 40° | 50° | — | — |
55 years of data from CHESTNUT HILL