Williamsport, PA: records

4 October 2026: The hottest day on record in Williamsport, PA: 106°F on Thursday 9 July 1936.

The record begins: 1895

All-time records

Hottest day: 106°F; 9 July 1936
Coldest night: -20°F; 21 January 1994
Wettest day: 8.66 in; 22 June 1972
Warmest night: 89°F; 3 July 1911
Coldest day: 0°F; 17 January 1982, 10 February 1899

Daily records by decade

New daily records set in Williamsport, PA by decade since the 1920s: the most record highs, 120, came in the 1930s; the most record lows, 107, in the 1930s.

Record highs
Record lows

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1890s	0	0	5
1900s	0	0	10
1910s	0	0	10
1920s	82	92	10
1930s	120	107	10
1940s	72	96	10
1950s	56	30	10
1960s	28	59	10
1970s	37	32	10
1980s	28	29	10
1990s	49	12	10
2000s	23	11	10
2010s	33	10	10
2020s	24	2	7

Records by month

Month	Highest	Lowest	Wettest day
January	70°F 14 January 1932, 13 January 1932	-20°F 21 January 1994	2.90 in 25 January 2010
February	76°F 24 February 2017	-18°F 28 February 1934	2.72 in 13 February 1971
March	87°F 31 March 1998, 30 March 1986	-5°F 18 March 1916	2.67 in 10 March 2011
April	96°F 24 April 1925	8°F 1 April 1923	3.27 in 30 April 1909
May	96°F 20 May 1996, 19 May 1996, 23 May 1925 and 1 more	28°F 14 May 1996, 5 May 1966, 1 May 1931	4.03 in 27 May 1946
June	104°F 5 June 1925	36°F 3 June 1986, 1 June 1945, 3 June 1929	8.66 in 22 June 1972
July	106°F 9 July 1936	43°F 20 July 1965, 9 July 1963, 12 July 1945 and 1 more	3.29 in 15 July 2023, 30 July 2000
August	103°F 7 August 1918	38°F 30 August 1965, 25 August 1940	5.28 in 2 August 2026
September	102°F 3 September 1953	28°F 28 September 1947	6.76 in 7 September 2011
October	93°F 2 October 1927	19°F 28 October 1936	4.38 in 14 October 1955
November	83°F 1 November 1950	3°F 27 November 1938	3.68 in 29 November 2005
December	70°F 1 December 2006	-15°F 28 December 1950	3.29 in 13 December 1983

Streaks, months and years

Longest heat streak	15 days	4 July to 18 July 1988	A high of 90°F or above
Longest cold streak	30 days	8 January to 6 February 1918	A high of 32°F or below
Wettest month	16.80 in	June 1972
Driest month	0.16 in	September 1943
Wettest year	70.26 in	2011
Driest year	27.68 in	1930

Every record in words

The coldest night on record in Williamsport, PA: a low of -20°F on Friday 21 January 1994.
The wettest day on record in Williamsport, PA: 8.66 in on Thursday 22 June 1972.
The warmest night on record in Williamsport, PA: a low of 89°F on Monday 3 July 1911.
The coldest day on record in Williamsport, PA: a high of 0°F on Sunday 17 January 1982 and Friday 10 February 1899.
The longest run of days with a high of 90°F or above in Williamsport, PA: 15 days, from Monday 4 July to Monday 18 July 1988.
The longest run of days with a high of 32°F or below in Williamsport, PA: 30 days, from Tuesday 8 January to Wednesday 6 February 1918.
The wettest month on record in Williamsport, PA: June 1972, with 16.80 in of precipitation.
The driest month on record in Williamsport, PA: September 1943, with 0.16 in of precipitation.
The wettest year on record in Williamsport, PA: 2011, with 70.26 in of precipitation.
The driest year on record in Williamsport, PA: 1930, with 27.68 in of precipitation.

Williamsport, PA the day's answers