Weather on August 23
Boston, MA
55 Years of Data
Avg High
79°F
Avg Low
63°F
Warmest
2009
80°F avg
Coldest
1988
61°F avg
About This Date
August 23rd in Boston, MA typically brings pleasant summer weather, with average highs around 79°F and lows near 63°F. Over 55 years of records, the warmest August 23rd was in 2009 (80°F average), while the coldest was 1988 (61°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 23rd dates historically, with the wettest August 23rd recording 4.29" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for August 23rd in Boston, MA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 63° | 75° | — | — |
| 2024 | 83° | 60° | 71° | — | — |
| 2023 | 72° | 62° | 67° | — | — |
| 2022 | 75° | 68° | 72° | 0.05" | — |
| 2021 | 76° | 69° | 72° | 4.29" | — |
| 2020 | 89° | 66° | 78° | 3.38" | — |
| 2019 | 82° | 68° | 75° | — | — |
| 2018 | 80° | 66° | 73° | — | — |
| 2017 | 84° | 69° | 77° | 0.1" | — |
| 2016 | 82° | 61° | 71° | — | — |
| 2015 | 71° | 67° | 69° | 0.05" | — |
| 2014 | 72° | 61° | 66° | — | — |
| 2013 | 78° | 66° | 72° | — | — |
| 2012 | 87° | 66° | 77° | — | — |
| 2011 | 79° | 63° | 71° | — | — |
| 2010 | 65° | 62° | 63° | 1.78" | — |
| 2009warmest | 87° | 73° | 80° | 0.33" | — |
| 2008 | 78° | 62° | 70° | — | — |
| 2007 | 70° | 63° | 66° | — | — |
| 2006 | 73° | 65° | 69° | — | — |
| 2005 | 80° | 64° | 72° | — | — |
| 2004 | 82° | 59° | 71° | — | — |
| 2003 | 84° | 65° | 74° | — | — |
| 2002 | 70° | 60° | 65° | 0.05" | — |
| 2001 | 83° | 69° | 76° | — | — |
| 2000 | 75° | 61° | 68° | 0.94" | — |
| 1999 | 78° | 62° | 70° | — | — |
| 1998 | 80° | 64° | 72° | — | — |
| 1997 | 78° | 61° | 69° | — | — |
| 1996 | 90° | 69° | 79° | 0.2" | — |
| 1995 | 82° | 61° | 71° | — | — |
| 1994 | 68° | 59° | 64° | — | — |
| 1993 | 78° | 58° | 68° | — | — |
| 1992 | 76° | 67° | 71° | — | — |
| 1991 | 88° | 67° | 77° | — | — |
| 1990 | 68° | 58° | 63° | 0.86" | — |
| 1989 | 86° | 65° | 75° | 0.13" | — |
| 1988coldest | 68° | 53° | 61° | — | — |
| 1987 | 77° | 63° | 70° | — | — |
| 1986 | 73° | 60° | 67° | 0.03" | — |
| 1985 | 77° | 59° | 68° | — | — |
| 1984 | 84° | 68° | 76° | — | — |
| 1983 | 83° | 65° | 74° | — | — |
| 1982 | 74° | 58° | 66° | 0.1" | — |
| 1981 | 79° | 63° | 71° | — | — |
| 1980 | 77° | 58° | 67° | — | — |
| 1979 | 78° | 61° | 69° | — | — |
| 1978 | 88° | 63° | 75° | — | — |
| 1977 | 84° | 62° | 73° | — | — |
| 1976 | 85° | 70° | 77° | 0.41" | — |
| 1975 | 80° | 59° | 70° | — | — |
| 1974 | 82° | 69° | 76° | 0.25" | — |
| 1973 | 76° | 57° | 66° | — | — |
| 1972 | 88° | 65° | 76° | — | — |
| 1971 | 78° | 57° | 68° | 0.03" | — |
55 years of data from BOSTON