Weather on August 9
Cambridge, MA
55 Years of Data
Avg High
83°F
Avg Low
63°F
Warmest
2022
88°F avg
Coldest
1989
61°F avg
About This Date
August 9th in Cambridge, MA typically brings warm summer weather, with average highs around 83°F and lows near 63°F. Over 55 years of records, the warmest August 9th was in 2022 (88°F average), while the coldest was 1989 (61°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 33% of August 9th dates historically, with the wettest August 9th recording 4.04" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 9th in Cambridge, MA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 55° | 71° | — | — |
| 2024 | 75° | 63° | 69° | 0.64" | — |
| 2023 | 83° | 69° | 76° | 3.53" | — |
| 2022warmest | 98° | 79° | 88° | — | — |
| 2021 | 82° | 69° | 76° | — | — |
| 2020 | 86° | 68° | 77° | — | — |
| 2019 | 82° | 66° | 74° | — | — |
| 2018 | 92° | 72° | 82° | 4.04" | — |
| 2017 | 77° | 56° | 66° | 0.03" | — |
| 2016 | 89° | 60° | 75° | — | — |
| 2015 | 82° | 61° | 71° | — | — |
| 2014 | 84° | 58° | 71° | — | — |
| 2013 | 81° | 66° | 73° | — | — |
| 2012 | 89° | 65° | 77° | — | — |
| 2011 | 81° | 66° | 73° | 1.98" | — |
| 2010 | 87° | 71° | 79° | — | — |
| 2009 | 76° | 56° | 66° | — | — |
| 2008 | 77° | 61° | 69° | 0.81" | — |
| 2007 | 76° | 65° | 70° | — | — |
| 2006 | 77° | 64° | 71° | — | — |
| 2005 | 87° | 71° | 79° | 0.05" | — |
| 2004 | 83° | 62° | 72° | — | — |
| 2003 | 83° | 69° | 76° | 0.03" | — |
| 2002 | 82° | 56° | 69° | — | — |
| 2001 | 96° | 76° | 86° | — | — |
| 2000 | 90° | 71° | 80° | — | — |
| 1999 | 83° | 62° | 72° | 0.05" | — |
| 1998 | 83° | 63° | 73° | — | — |
| 1997 | 81° | 54° | 67° | 0.81" | — |
| 1996 | 88° | 61° | 74° | — | — |
| 1995 | 85° | 57° | 71° | — | — |
| 1994 | 82° | 56° | 69° | — | — |
| 1993 | 80° | 61° | 70° | — | — |
| 1992 | 80° | 60° | 70° | 0.38" | — |
| 1991 | 88° | 64° | 76° | — | — |
| 1990 | 77° | 67° | 72° | 0.33" | — |
| 1989coldest | 71° | 50° | 61° | — | — |
| 1988 | 90° | 68° | 79° | — | — |
| 1987 | 88° | 66° | 77° | — | — |
| 1986 | 80° | 66° | 73° | 1.12" | — |
| 1985 | 80° | 66° | 73° | 0.56" | — |
| 1984 | 82° | 66° | 74° | — | — |
| 1983 | 94° | 66° | 80° | — | — |
| 1982 | 84° | 40° | 62° | — | — |
| 1981 | 80° | 56° | 68° | 0.28" | — |
| 1980 | 91° | 72° | 81° | — | — |
| 1979 | 84° | 60° | 72° | — | — |
| 1978 | 84° | 67° | 75° | — | — |
| 1977 | 84° | 72° | 78° | 0.48" | — |
| 1976 | 68° | 59° | 64° | 2.79" | — |
| 1975 | 70° | 60° | 65° | 3.15" | — |
| 1974 | 97° | 65° | 81° | — | — |
| 1973 | 89° | 68° | 79° | — | — |
| 1972 | 74° | 58° | 66° | — | — |
| 1971 | 84° | 62° | 73° | — | — |
55 years of data from CHESTNUT HILL