Weather on May 9
Cambridge, MA
55 Years of Data
Avg High
66°F
Avg Low
45°F
Warmest
2000
75°F avg
Coldest
1985
44°F avg
About This Date
May 9th in Cambridge, MA typically brings mild spring weather, with average highs around 66°F and lows near 45°F. Over 55 years of records, the warmest May 9th was in 2000 (75°F average), while the coldest was 1985 (44°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 42% of May 9th dates historically, with the wettest May 9th recording 2.44" of rain. The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
Planning for May 9th in Cambridge, MA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 52° | 64° | — | — |
| 2024 | 62° | 52° | 57° | 1.52" | — |
| 2023 | 77° | 42° | 60° | — | — |
| 2022 | 57° | 42° | 50° | — | — |
| 2021 | 62° | 42° | 52° | — | — |
| 2020 | 60° | 36° | 48° | 1.09" | — |
| 2019 | 66° | 41° | 54° | — | — |
| 2018 | 70° | 46° | 58° | — | — |
| 2017 | 58° | 35° | 46° | — | — |
| 2016 | 64° | 39° | 52° | 0.1" | — |
| 2015 | 75° | 47° | 61° | — | — |
| 2014 | 70° | 54° | 62° | — | — |
| 2013 | 69° | 58° | 63° | 0.71" | — |
| 2012 | 59° | 49° | 54° | 0.38" | — |
| 2011 | 60° | 48° | 54° | 0.03" | — |
| 2010 | 61° | 41° | 51° | — | — |
| 2009 | 76° | 57° | 66° | 0.03" | — |
| 2008 | 77° | 49° | 63° | 0.13" | — |
| 2007 | 86° | 57° | 72° | — | — |
| 2006 | 54° | 47° | 50° | 2.44" | — |
| 2005 | 53° | 46° | 50° | — | — |
| 2004 | 58° | 48° | 53° | 0.48" | — |
| 2003 | 61° | 46° | 53° | 0.1" | — |
| 2002 | 65° | 47° | 56° | — | — |
| 2001 | 80° | 44° | 62° | — | — |
| 2000warmest | 90° | 61° | 75° | 0.38" | — |
| 1999 | 63° | 53° | 58° | 0.69" | — |
| 1998 | 60° | 50° | 55° | — | — |
| 1997 | 70° | 41° | 55° | — | — |
| 1996 | 78° | 44° | 61° | — | — |
| 1995 | 63° | 35° | 49° | — | — |
| 1994 | 57° | 48° | 53° | 0.08" | — |
| 1993 | 76° | 48° | 62° | — | — |
| 1992 | 50° | 42° | 46° | 0.89" | — |
| 1991 | 69° | 43° | 56° | — | — |
| 1990 | 62° | 43° | 52° | — | — |
| 1989 | 58° | 35° | 46° | — | — |
| 1988 | 62° | 32° | 47° | — | — |
| 1987 | 66° | 44° | 55° | — | — |
| 1986 | 48° | 40° | 44° | — | — |
| 1985coldest | 59° | 29° | 44° | — | — |
| 1984 | 68° | 50° | 59° | 1.22" | — |
| 1983 | 75° | 36° | 55° | 0.13" | — |
| 1982 | 78° | 40° | 59° | 0.03" | — |
| 1981 | 67° | 32° | 49° | — | — |
| 1980 | 52° | 42° | 47° | 1.12" | — |
| 1979 | 74° | 47° | 60° | — | — |
| 1978 | 64° | 53° | 59° | 0.25" | — |
| 1977 | 64° | 43° | 53° | — | — |
| 1976 | — | 38° | — | — | — |
| 1975 | 68° | 44° | 56° | — | — |
| 1974 | 63° | 40° | 51° | — | — |
| 1973 | 69° | 49° | 59° | 0.23" | — |
| 1972 | 50° | 42° | 46° | 1.4" | — |
| 1971 | 65° | 44° | 54° | 1.27" | — |
55 years of data from CHESTNUT HILL