Weather on March 18
Cambridge, MA
55 Years of Data
Avg High
48°F
Avg Low
28°F
Warmest
1990
57°F avg
Coldest
1976
23°F avg
About This Date
March 18th in Cambridge, MA typically brings chilly spring weather, with average highs around 48°F and lows near 28°F. Over 56 years of records, the warmest March 18th was in 1990 (57°F average), while the coldest was 1976 (23°F) — a 34°F range across recorded history. Precipitation has occurred on 21% of recorded March 18th dates, with snow falling 5% of the time (heaviest snowfall: 5"). The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
Planning for March 18th in Cambridge, MA? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 47° | 24° | 35° | — | — |
| 2025 | 58° | 37° | 47° | 0.53" | — |
| 2024 | 61° | 39° | 50° | — | — |
| 2023 | 56° | 35° | 45° | — | — |
| 2022 | 56° | 43° | 49° | — | — |
| 2021 | 55° | 20° | 37° | — | — |
| 2020 | 45° | 33° | 39° | — | — |
| 2019 | 43° | 24° | 33° | — | — |
| 2018 | 42° | 14° | 28° | — | — |
| 2017 | 43° | 24° | 33° | — | — |
| 2016 | 66° | 39° | 53° | — | — |
| 2015 | 51° | 22° | 36° | 0.08" | — |
| 2014 | 30° | 16° | 23° | — | — |
| 2013 | 39° | 19° | 29° | — | — |
| 2012 | 51° | 38° | 44° | — | — |
| 2011 | 62° | 33° | 48° | — | — |
| 2010 | 65° | 30° | 47° | — | — |
| 2009 | 44° | 31° | 37° | — | — |
| 2008 | 39° | 28° | 34° | — | — |
| 2007 | 34° | 24° | 29° | — | — |
| 2006 | 38° | 22° | 30° | — | — |
| 2005 | 45° | 30° | 37° | — | — |
| 2004 | 29° | 26° | 27° | 0.05" | 0.4" |
| 2003 | 68° | 35° | 52° | — | — |
| 2002 | 46° | 32° | 39° | — | — |
| 2001 | 40° | 32° | 36° | 0.23" | — |
| 2000 | 32° | 14° | 23° | 0.61" | 3" |
| 1999 | 64° | 40° | 52° | — | — |
| 1998 | 46° | 27° | 36° | — | — |
| 1997 | 39° | 20° | 29° | — | — |
| 1996 | 44° | 26° | 35° | — | — |
| 1995 | 45° | 38° | 41° | 0.69" | — |
| 1994 | 37° | 20° | 28° | — | — |
| 1993 | 50° | 12° | 31° | 2.24" | 5" |
| 1992 | 42° | 24° | 33° | — | — |
| 1991 | 59° | 31° | 45° | — | — |
| 1990warmest | 71° | 43° | 57° | 1.17" | — |
| 1989 | 68° | 36° | 52° | — | — |
| 1988 | 54° | 26° | 40° | — | — |
| 1987 | 39° | 29° | 34° | — | — |
| 1986 | 57° | 55° | 56° | — | — |
| 1985 | 51° | 30° | 41° | — | — |
| 1984 | 48° | 23° | 36° | 0.43" | — |
| 1983 | 50° | 15° | 33° | — | — |
| 1982 | 48° | 22° | 35° | — | — |
| 1981 | 40° | 15° | 27° | — | — |
| 1980 | 58° | 35° | 46° | 1.7" | — |
| 1979 | 35° | 24° | 30° | — | — |
| 1978 | 41° | 16° | 28° | — | — |
| 1977 | 42° | 28° | 35° | — | — |
| 1976coldest | 30° | 16° | 23° | — | — |
| 1975 | 49° | 34° | 41° | — | — |
| 1974 | 40° | 30° | 35° | — | — |
| 1973 | 65° | 35° | 50° | 1.19" | — |
| 1972 | 54° | 38° | 46° | 1.75" | — |
| 1971 | 42° | 26° | 34° | — | — |
56 years of data from CHESTNUT HILL