All-time weather records — Worcester, MA

Record high
99.0°F
September 2, 1953
Record low
-18.9°F
January 15, 1957
Wettest day
6.38 in
August 19, 1955

Climate change signal in Worcester

16.9%

of Worcester's all-time daily heat records were set in the last decade (62 of 366 records since 2015).

5.5%

of all-time daily cold records were set in the last decade (20 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1940s
25
8
1950s
54
77
1960s
35
80
1970s
34
69
1980s
43
56
1990s
45
34
2000s
39
16
2010s
45
21
2020s
46
5

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1948, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 26, 1950 -18.9°F — Jan 15, 1957 2.49 in — Jan 9, 1978
February 71.1°F — Feb 21, 2018 -15.9°F — Feb 14, 2016 2.49 in — Feb 13, 2008
March 84.0°F — Mar 31, 1998 -6.0°F — Mar 4, 1950 4.55 in — Mar 31, 1987
April 91.0°F — Apr 19, 1976 10.9°F — Apr 7, 1982 3.23 in — Apr 16, 1996
May 93.9°F — May 26, 2010 28.0°F — May 7, 1970 3.03 in — May 25, 1967
June 98.1°F — Jun 26, 1952 36.0°F — Jun 3, 1986 3.50 in — Jun 6, 1986
July 96.1°F — Jul 6, 2010 43.0°F — Jul 1, 1988 3.87 in — Jul 31, 1985
August 98.1°F — Aug 26, 1948 37.9°F — Aug 30, 1965 6.38 in — Aug 19, 1955
September 99.0°F — Sep 2, 1953 30.0°F — Sep 27, 1957 5.05 in — Sep 11, 1954
October 84.9°F — Oct 7, 1963 19.9°F — Oct 24, 1969 4.10 in — Oct 21, 2016
November 79.0°F — Nov 2, 1950 6.1°F — Nov 24, 1989 2.63 in — Nov 28, 1993
December 72.0°F — Dec 7, 1998 -13.0°F — Dec 30, 1962 2.83 in — Dec 18, 2023

Click a month to see every daily record for that month in Worcester.