Weather on August 25
Boston, MA
55 Years of Data
Avg High
78°F
Avg Low
63°F
Warmest
2021
85°F avg
Coldest
1978
59°F avg
About This Date
August 25th in Boston, MA typically brings pleasant summer weather, with average highs around 78°F and lows near 63°F. Over 55 years of records, the warmest August 25th was in 2021 (85°F average), while the coldest was 1978 (59°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 20% of August 25th dates historically, with the wettest August 25th recording 7.01" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for August 25th in Boston, MA? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 65° | 72° | — | — |
| 2024 | 81° | 64° | 72° | — | — |
| 2023 | 73° | 61° | 67° | 4.52" | — |
| 2022 | 86° | 71° | 79° | — | — |
| 2021warmest | 94° | 76° | 85° | — | — |
| 2020 | 89° | 68° | 79° | — | — |
| 2019 | 71° | 59° | 65° | — | — |
| 2018 | 82° | 66° | 74° | — | — |
| 2017 | 76° | 63° | 69° | — | — |
| 2016 | 88° | 68° | 78° | — | — |
| 2015 | 81° | 67° | 74° | — | — |
| 2014 | 81° | 67° | 74° | — | — |
| 2013 | 83° | 61° | 72° | — | — |
| 2012 | 77° | 66° | 72° | — | — |
| 2011 | 87° | 68° | 78° | 0.15" | — |
| 2010 | 65° | 61° | 63° | 7.01" | — |
| 2009 | 77° | 68° | 73° | — | — |
| 2008 | 84° | 62° | 73° | — | — |
| 2007 | 96° | 72° | 84° | — | — |
| 2006 | 65° | 59° | 62° | 2.13" | — |
| 2005 | 76° | 60° | 68° | — | — |
| 2004 | 72° | 57° | 64° | — | — |
| 2003 | 82° | 64° | 73° | — | — |
| 2002 | 79° | 58° | 68° | 0.03" | — |
| 2001 | 69° | 59° | 64° | — | — |
| 2000 | 77° | 63° | 70° | — | — |
| 1999 | 82° | 63° | 72° | — | — |
| 1998 | 89° | 74° | 81° | — | — |
| 1997 | 74° | 60° | 67° | — | — |
| 1996 | 82° | 62° | 72° | — | — |
| 1995 | 75° | 57° | 66° | — | — |
| 1994 | 80° | 59° | 70° | — | — |
| 1993 | 92° | 71° | 81° | — | — |
| 1992 | 89° | 66° | 78° | — | — |
| 1991 | 67° | 57° | 62° | — | — |
| 1990 | 70° | 65° | 67° | 4.01" | — |
| 1989 | 72° | 54° | 63° | — | — |
| 1988 | 73° | 61° | 67° | — | — |
| 1987 | 77° | 55° | 66° | — | — |
| 1986 | 73° | 58° | 65° | — | — |
| 1985 | 69° | 65° | 67° | 1.45" | — |
| 1984 | 73° | 60° | 67° | — | — |
| 1983 | 80° | 60° | 70° | — | — |
| 1982 | 73° | 66° | 70° | 0.36" | — |
| 1981 | 66° | 55° | 61° | 0.03" | — |
| 1980 | 79° | 65° | 72° | — | — |
| 1979 | 86° | 74° | 80° | 0.23" | — |
| 1978coldest | 63° | 55° | 59° | 0.13" | — |
| 1977 | 76° | 56° | 66° | — | — |
| 1976 | 88° | 63° | 75° | — | — |
| 1975 | 73° | 62° | 68° | — | — |
| 1974 | 76° | 64° | 70° | — | — |
| 1973 | 81° | 62° | 71° | — | — |
| 1972 | 83° | 66° | 74° | — | — |
| 1971 | 78° | 55° | 67° | — | — |
55 years of data from BOSTON