Weather on June 30
Boston, MA
55 Years of Data
Avg High
80°F
Avg Low
64°F
Warmest
2021
86°F avg
Coldest
1988
60°F avg
About This Date
June 30th in Boston, MA typically brings warm summer weather, with average highs around 80°F and lows near 64°F. Over 55 years of records, the warmest June 30th was in 2021 (86°F average), while the coldest was 1988 (60°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 36% of June 30th dates historically, with the wettest June 30th recording 4.24" of rain. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for June 30th in Boston, MA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 67° | 75° | — | — |
| 2024 | 87° | 73° | 80° | 0.05" | — |
| 2023 | 76° | 66° | 71° | — | — |
| 2022 | 83° | 67° | 75° | — | — |
| 2021warmest | 100° | 72° | 86° | 0.41" | — |
| 2020 | 68° | 63° | 65° | 0.46" | — |
| 2019 | 78° | 65° | 71° | 0.41" | — |
| 2018 | 92° | 75° | 83° | — | — |
| 2017 | 84° | 68° | 76° | 0.18" | — |
| 2016 | 81° | 68° | 74° | — | — |
| 2015 | 75° | 60° | 68° | — | — |
| 2014 | 89° | 64° | 77° | — | — |
| 2013 | 84° | 69° | 77° | 0.28" | — |
| 2012 | 90° | 70° | 80° | — | — |
| 2011 | 82° | 65° | 73° | — | — |
| 2010 | 78° | 63° | 70° | — | — |
| 2009 | 65° | 59° | 62° | 0.18" | — |
| 2008 | 88° | 73° | 80° | — | — |
| 2007 | 82° | 62° | 72° | — | — |
| 2006 | 81° | 65° | 73° | 0.33" | — |
| 2005 | 78° | 62° | 70° | — | — |
| 2004 | 84° | 63° | 73° | — | — |
| 2003 | 87° | 66° | 77° | — | — |
| 2002 | 84° | 64° | 74° | — | — |
| 2001 | 92° | 68° | 80° | 1.45" | — |
| 2000 | 79° | 63° | 71° | — | — |
| 1999 | 77° | 66° | 72° | — | — |
| 1998 | 73° | 63° | 68° | 4.24" | — |
| 1997 | 92° | 71° | 81° | — | — |
| 1996 | 69° | 60° | 65° | 0.18" | — |
| 1995 | 90° | 61° | 75° | — | — |
| 1994 | 85° | 69° | 77° | — | — |
| 1993 | 83° | 64° | 73° | — | — |
| 1992 | 84° | 65° | 74° | — | — |
| 1991 | 71° | 58° | 64° | 1.8" | — |
| 1990 | 65° | 56° | 60° | 0.05" | — |
| 1989 | 82° | 60° | 71° | — | — |
| 1988coldest | 68° | 52° | 60° | 0.1" | — |
| 1987 | 86° | 67° | 76° | — | — |
| 1986 | 80° | 62° | 71° | — | — |
| 1985 | 69° | 54° | 61° | — | — |
| 1984 | 70° | 61° | 65° | — | — |
| 1983 | 84° | 63° | 73° | — | — |
| 1982 | 83° | 67° | 75° | — | — |
| 1981 | 69° | 56° | 62° | — | — |
| 1980 | 65° | 57° | 61° | 0.79" | — |
| 1979 | 85° | 63° | 74° | 0.33" | — |
| 1978 | 81° | 65° | 73° | — | — |
| 1977 | 86° | 67° | 76° | — | — |
| 1976 | 77° | 64° | 71° | 0.05" | — |
| 1975 | 70° | 58° | 64° | — | — |
| 1974 | 85° | 60° | 72° | 0.03" | — |
| 1973 | 77° | 66° | 72° | 3.28" | — |
| 1972 | 65° | 60° | 62° | 1.24" | — |
| 1971 | 94° | 67° | 80° | — | — |
55 years of data from BOSTON