Weather on August 17
Boston, MA
55 Years of Data
Avg High
82°F
Avg Low
66°F
Warmest
2002
87°F avg
Coldest
1992
61°F avg
About This Date
August 17th in Boston, MA typically brings warm summer weather, with average highs around 82°F and lows near 66°F. Over 55 years of records, the warmest August 17th was in 2002 (87°F average), while the coldest was 1992 (61°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 17th dates historically, with the wettest August 17th recording 3.86" of rain. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for August 17th in Boston, MA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 68° | 80° | — | — |
| 2024 | 71° | 63° | 67° | — | — |
| 2023 | 71° | 63° | 67° | — | — |
| 2022 | 79° | 66° | 72° | 0.03" | — |
| 2021 | 85° | 67° | 76° | — | — |
| 2020 | 71° | 62° | 67° | 0.2" | — |
| 2019 | 76° | 67° | 71° | — | — |
| 2018 | 80° | 70° | 75° | 0.51" | — |
| 2017 | 83° | 63° | 73° | — | — |
| 2016 | 85° | 72° | 78° | — | — |
| 2015 | 91° | 71° | 81° | — | — |
| 2014 | 81° | 64° | 72° | — | — |
| 2013 | 74° | 64° | 69° | — | — |
| 2012 | 86° | 66° | 76° | — | — |
| 2011 | 84° | 65° | 74° | — | — |
| 2010 | 92° | 73° | 82° | — | — |
| 2009 | 94° | 72° | 83° | — | — |
| 2008 | 82° | 66° | 74° | — | — |
| 2007 | 80° | 67° | 73° | — | — |
| 2006 | 76° | 66° | 71° | — | — |
| 2005 | 85° | 68° | 76° | — | — |
| 2004 | 73° | 60° | 67° | 0.08" | — |
| 2003 | 75° | 67° | 71° | 0.08" | — |
| 2002warmest | 96° | 78° | 87° | — | — |
| 2001 | 82° | 65° | 73° | 0.43" | — |
| 2000 | 74° | 60° | 67° | — | — |
| 1999 | 90° | 69° | 79° | — | — |
| 1998 | 70° | 63° | 66° | 3.86" | — |
| 1997 | 93° | 73° | 83° | 0.03" | — |
| 1996 | 85° | 65° | 75° | — | — |
| 1995 | 83° | 70° | 76° | — | — |
| 1994 | 81° | 63° | 72° | 0.1" | — |
| 1993 | 77° | 66° | 72° | 0.76" | — |
| 1992coldest | 63° | 59° | 61° | 0.99" | — |
| 1991 | 93° | 68° | 81° | — | — |
| 1990 | 89° | 69° | 79° | — | — |
| 1989 | 76° | 66° | 71° | — | — |
| 1988 | 78° | 65° | 71° | 0.2" | — |
| 1987 | 96° | 72° | 84° | — | — |
| 1986 | 86° | 70° | 78° | 0.41" | — |
| 1985 | 83° | 64° | 73° | — | — |
| 1984 | 81° | 67° | 74° | — | — |
| 1983 | 90° | 68° | 79° | — | — |
| 1982 | 87° | 69° | 78° | 0.64" | — |
| 1981 | 76° | 57° | 66° | — | — |
| 1980 | 81° | 60° | 70° | — | — |
| 1979 | 70° | 57° | 63° | — | — |
| 1978 | 92° | 76° | 84° | — | — |
| 1977 | 81° | 70° | 75° | 0.43" | — |
| 1976 | 82° | 60° | 71° | — | — |
| 1975 | 73° | 65° | 69° | — | — |
| 1974 | 83° | 67° | 75° | 0.91" | — |
| 1973 | 79° | 64° | 71° | — | — |
| 1972 | 74° | 60° | 67° | 0.1" | — |
| 1971 | 89° | 61° | 75° | — | — |
55 years of data from BOSTON