Weather on June 30
Cambridge, MA
55 Years of Data
Avg High
82°F
Avg Low
61°F
Warmest
2021
86°F avg
Coldest
1988
61°F avg
About This Date
June 30th in Cambridge, MA typically brings warm summer weather, with average highs around 82°F and lows near 61°F. Over 55 years of records, the warmest June 30th was in 2021 (86°F average), while the coldest was 1988 (61°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 35% of June 30th dates historically, with the wettest June 30th recording 4.95" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for June 30th in Cambridge, MA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 62° | 76° | — | — |
| 2024 | 78° | 64° | 71° | — | — |
| 2023 | 84° | 63° | 73° | — | — |
| 2022 | 86° | 62° | 74° | — | — |
| 2021warmest | 99° | 74° | 86° | 1.22" | — |
| 2020 | 72° | 63° | 67° | 0.46" | — |
| 2019 | 83° | 64° | 73° | 0.08" | — |
| 2018 | 90° | 67° | 78° | — | — |
| 2017 | 80° | 66° | 73° | — | — |
| 2016 | 88° | 63° | 75° | 0.13" | — |
| 2015 | 73° | 54° | 63° | — | — |
| 2014 | 88° | 63° | 75° | — | — |
| 2013 | 82° | 69° | 76° | — | — |
| 2012 | 88° | 65° | 76° | — | — |
| 2011 | 83° | 59° | 71° | — | — |
| 2010 | 89° | 60° | 75° | — | — |
| 2009 | 77° | 60° | 69° | 0.03" | — |
| 2008 | 82° | 64° | 73° | 0.53" | — |
| 2007 | 82° | 62° | 72° | — | — |
| 2006 | 81° | 65° | 73° | 0.33" | — |
| 2005 | 78° | 62° | 70° | — | — |
| 2004 | 84° | 63° | 73° | — | — |
| 2003 | 87° | 66° | 77° | — | — |
| 2002 | 80° | 61° | 70° | — | — |
| 2001 | 75° | 67° | 71° | — | — |
| 2000 | 75° | 62° | 69° | — | — |
| 1999 | 93° | 67° | 80° | — | — |
| 1998 | 77° | 63° | 70° | 0.28" | — |
| 1997 | 91° | 67° | 79° | — | — |
| 1996 | 79° | 60° | 69° | — | — |
| 1995 | 88° | 58° | 73° | — | — |
| 1994 | 82° | 67° | 74° | 0.61" | — |
| 1993 | 84° | 63° | 73° | — | — |
| 1992 | 88° | 62° | 75° | — | — |
| 1991 | 89° | 58° | 73° | 0.25" | — |
| 1990 | 70° | 58° | 64° | 0.33" | — |
| 1989 | 77° | 54° | 65° | — | — |
| 1988coldest | 76° | 46° | 61° | 0.84" | — |
| 1987 | 88° | 67° | 77° | — | — |
| 1986 | 86° | 58° | 72° | — | — |
| 1985 | 68° | 65° | 66° | 0.15" | — |
| 1984 | 84° | 61° | 72° | 0.05" | — |
| 1983 | 76° | 53° | 64° | — | — |
| 1982 | 78° | 63° | 70° | 1.42" | — |
| 1981 | 86° | 49° | 67° | — | — |
| 1980 | 71° | 59° | 65° | 0.99" | — |
| 1979 | 80° | 58° | 69° | — | — |
| 1978 | 92° | 65° | 78° | — | — |
| 1977 | 83° | 60° | 71° | 0.23" | — |
| 1976 | — | 65° | — | 0.2" | — |
| 1975 | 79° | 57° | 68° | — | — |
| 1974 | 78° | 57° | 68° | — | — |
| 1973 | 78° | 60° | 69° | 4.95" | — |
| 1972 | 79° | 59° | 69° | — | — |
| 1971 | 78° | 52° | 65° | — | — |
55 years of data from CHESTNUT HILL