All-time weather records — Westlake, OH

Record high
104.0°F
June 25, 1988
Record low
-20.0°F
January 19, 1994
Wettest day
4.59 in
September 7, 1996

Climate change signal in Westlake

13.9%

of Westlake's all-time daily heat records were set in the last decade (51 of 366 records since 2015).

4.1%

of all-time daily cold records were set in the last decade (15 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 #
1930s
18
8
1940s
70
44
1950s
72
35
1960s
27
87
1970s
17
76
1980s
38
56
1990s
34
27
2000s
19
11
2010s
52
20
2020s
19
2

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 1938, the latest in 2026. Period of observation: 1938-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 73.0°F — Jan 25, 1950 -20.0°F — Jan 19, 1994 2.53 in — Jan 15, 1995
February 77.0°F — Feb 24, 2017 -16.8°F — Feb 20, 2015 2.04 in — Feb 16, 1976
March 82.9°F — Mar 20, 2012 -5.1°F — Mar 9, 1984 2.76 in — Mar 21, 1948
April 88.0°F — Apr 28, 1986 10.0°F — Apr 1, 1964 2.10 in — Apr 10, 1990
May 93.0°F — May 28, 2018 25.0°F — May 10, 1966 3.36 in — May 24, 1955
June 104.0°F — Jun 25, 1988 30.9°F — Jun 11, 1972 3.54 in — Jun 24, 2014
July 102.9°F — Jul 27, 1941 41.0°F — Jul 4, 1968 3.54 in — Jul 19, 2011
August 102.0°F — Aug 27, 1948 37.9°F — Aug 29, 1982 3.55 in — Aug 13, 1994
September 100.9°F — Sep 1, 1953 32.0°F — Sep 29, 1942 4.59 in — Sep 7, 1996
October 93.0°F — Oct 1, 2019 19.0°F — Oct 31, 1988 3.36 in — Oct 15, 1954
November 82.0°F — Nov 1, 1950 3.0°F — Nov 30, 1976 2.46 in — Nov 18, 2017
December 77.0°F — Dec 3, 1982 -15.0°F — Dec 22, 1989 2.39 in — Dec 30, 1992

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