Weather on August 21
Lynn, MA
55 Years of Data
Avg High
78°F
Avg Low
59°F
Warmest
2003
79°F avg
Coldest
1977
59°F avg
About This Date
August 21st in Lynn, MA typically brings pleasant summer weather, with average highs around 78°F and lows near 59°F. Over 55 years of records, the warmest August 21st was in 2003 (79°F average), while the coldest was 1977 (59°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 21st dates historically, with the wettest August 21st recording 4.27" 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 August 21st in Lynn, MA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 54° | 63° | 0.36" | — |
| 2024 | 68° | 54° | 61° | — | — |
| 2023 | 82° | 62° | 72° | — | — |
| 2022 | 86° | 68° | 77° | — | — |
| 2021 | 78° | 69° | 74° | — | — |
| 2020 | 76° | 55° | 65° | — | — |
| 2019 | 83° | 64° | 73° | — | — |
| 2018 | 74° | 61° | 67° | — | — |
| 2017 | 84° | 63° | 73° | — | — |
| 2016 | 78° | 65° | 71° | 0.03" | — |
| 2015 | 78° | 60° | 69° | 0.05" | — |
| 2014 | 76° | 57° | 66° | — | — |
| 2013 | 83° | 64° | 73° | — | — |
| 2012 | 75° | 62° | 69° | — | — |
| 2011 | 80° | 67° | 73° | — | — |
| 2010 | 85° | 54° | 69° | — | — |
| 2009 | 79° | 71° | 75° | — | — |
| 2008 | 75° | 55° | 65° | — | — |
| 2007 | 69° | 52° | 60° | — | — |
| 2006 | 77° | 62° | 70° | — | — |
| 2005 | 75° | 64° | 70° | — | — |
| 2004 | 78° | 67° | 72° | 0.08" | — |
| 2003warmest | 87° | 71° | 79° | — | — |
| 2002 | 76° | 60° | 68° | — | — |
| 2001 | 78° | 64° | 71° | 0.15" | — |
| 2000 | 73° | 53° | 63° | — | — |
| 1999 | 73° | 55° | 64° | 0.2" | — |
| 1998 | 75° | 62° | 69° | — | — |
| 1997 | 73° | 59° | 66° | 0.76" | — |
| 1996 | 83° | 64° | 73° | — | — |
| 1995 | 84° | 55° | 70° | — | — |
| 1994 | 68° | 60° | 64° | 4.09" | — |
| 1993 | 72° | 60° | 66° | — | — |
| 1992 | 77° | 49° | 63° | — | — |
| 1991 | 77° | 54° | 65° | 4.27" | — |
| 1990 | 69° | 54° | 61° | — | — |
| 1989 | 84° | 66° | 75° | — | — |
| 1988 | 77° | 53° | 65° | — | — |
| 1987 | 84° | 55° | 70° | — | — |
| 1986 | 73° | 53° | 63° | — | — |
| 1985 | 76° | 58° | 67° | — | — |
| 1984 | 79° | 52° | 65° | — | — |
| 1983 | 85° | 64° | 74° | — | — |
| 1982 | 70° | 54° | 62° | — | — |
| 1981 | 81° | 51° | 66° | — | — |
| 1980 | 67° | 57° | 62° | 0.1" | — |
| 1979 | 76° | 55° | 65° | — | — |
| 1978 | 77° | 57° | 67° | — | — |
| 1977coldest | 72° | 47° | 59° | — | — |
| 1976 | 91° | 62° | 77° | — | — |
| 1975 | 80° | 52° | 66° | — | — |
| 1974 | 81° | 61° | 71° | — | — |
| 1973 | 76° | 56° | 66° | — | — |
| 1972 | 83° | 54° | 68° | — | — |
| 1971 | 87° | 65° | 76° | — | — |
55 years of data from PEABODY