All-time weather records — Williamsport, OH

Record high
829.9°F
June 14, 1912
Record low
-23.1°F
January 13, 1912
Wettest day
5.28 in
July 14, 1947

Climate change signal in Williamsport

4.9%

of Williamsport's all-time daily heat records were set in the last decade (18 of 366 records since 2015).

3.6%

of all-time daily cold records were set in the last decade (13 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 #
1890s
31
17
1900s
17
22
1910s
64
55
1920s
41
57
1930s
70
27
1940s
22
18
1950s
22
26
1960s
14
35
1970s
14
29
1980s
20
37
1990s
13
16
2000s
15
12
2010s
11
12
2020s
12
3

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 1895, the latest in 2026. Period of observation: 1894-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 77.0°F — Jan 26, 1950 -23.1°F — Jan 13, 1912 2.90 in — Jan 6, 1950
February 79.0°F — Feb 21, 2018 -20.9°F — Feb 10, 1899 2.31 in — Feb 18, 2022
March 90.0°F — Mar 25, 1929 -5.1°F — Mar 5, 1978 3.57 in — Mar 10, 1964
April 93.9°F — Apr 11, 1930 10.9°F — Apr 1, 1923 2.68 in — Apr 4, 2018
May 98.1°F — May 27, 1911 19.0°F — May 14, 2001 4.80 in — May 24, 1968
June 829.9°F — Jun 14, 1912 35.1°F — Jun 1, 1964 4.12 in — Jun 29, 1998
July 109.0°F — Jul 14, 1936 42.1°F — Jul 1, 1988 5.28 in — Jul 14, 1947
August 107.1°F — Aug 4, 1930 37.9°F — Aug 29, 1965 4.09 in — Aug 28, 1920
September 102.9°F — Sep 1, 1932 26.1°F — Sep 26, 1928 4.35 in — Sep 14, 1979
October 97.0°F — Oct 3, 1919 15.1°F — Oct 29, 1925 2.62 in — Oct 20, 1993
November 82.0°F — Nov 1, 1950 -6.0°F — Nov 30, 1958 2.50 in — Nov 6, 2017
December 79.0°F — Dec 3, 1982 -18.9°F — Dec 22, 1989 3.26 in — Dec 12, 2006

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