Williamsport, PA: Summer

31 August 2026: Summer 2026 averaged 72.5°F in Williamsport, PA, the warmest summer since 2025, tied 27th warmest of 131 (with 1981).

Summer 2026

Mean temperature: 72.5°F; Warmest since 2025; 27th warmest of 131
Precipitation: 13.52 in; Wettest since 2023; 36th wettest of 126

A normal summer in Williamsport, PA (1991 to 2020): a mean temperature of 72°F, between 69.4°F and 73.9°F in eight years of ten and 12.61 in of precipitation, between 8.44 in and 16.58 in in eight years of ten.

The mean temperature of every summer in Williamsport, PA since 1895: 72.5°F in 2026; the highest is 74.5°F, in 2020.

Normal range, 69.4 to 73.9°F

Every year, ranked, as a table

Every summer in Williamsport, PA from 1895 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	72.5	27	83.6	40	61.5	24	13.52	36	0
2025	72.7	26	83.6	40	61.7	19	9.90	90	0
2024	73.7	9	84.7	24	62.7	6	12.92	45	0
2023	71.8	47	82.3	70	61.2	29	21.81	3	0
2022	73.7	9	85.8	12	61.7	19	7.43	118	0
2021	73.7	9	84.3	29	63.1	3	14.11	27	0
2020	74.5	1	86.6	2	62.3	9	7.60	117	0
2019	72.1	38	82.8	56	61.5	24	16.26	11	0
2018	72.9	22	83.2	48	62.5	8	23.73	1	0
2017	72	42	82.9	52	61	32	16.91	5	0
2016	74.4	2	86	10	62.9	5	12.09	55	0
2015	71.7	51	82.4	68	61	32	15.87	12	0
2014	70.7	80	81.3	87	60.2	62	14.06	29	0
2013	72.1	38	82.8	56	61.4	26	9.04	98	0
2012	72.9	22	84	35	61.7	19	10.82	70	0
2011	73.2	16	84.2	32	62.1	14	12.71	47	0
2010	73.3	14	84.6	26	62	15	11.43	62	0
2009	70.5	86	80.2	106	60.8	37	13.36	39	0
2008	71.4	61	82.9	52	59.8	72	11.43	62	0
2007	72	42	84.2	32	59.8	72	9.97	87	0
2006	72.1	38	82.6	60	61.7	19	16.58	7	0
2005	73.9	8	84.6	26	63.1	3	14.49	21	0
2004	69.3	116	79.1	124	59.5	81	14.35	22	0
2003	70.1	99	80.2	106	60	66	16.58	7	0
2002	72.9	22	84.7	24	61.1	30	7.94	114	0
2001	71.4	61	82.8	56	60	66	12.79	46	0
2000	69.4	113	79.4	120	59.4	84	13.61	35	0
1999	71.9	45	83.6	40	60.3	57	10.46	76	0
1998	70.3	93	80.8	98	59.7	74	8.49	104	0
1997	69.4	113	81.2	91	57.7	121	9.97	87	0
1996	70.4	90	80.3	104	60.4	52	12.51	50	0
1995	74	7	86.2	6	61.8	18	6.36	124	0
1994	71.7	51	82.9	52	60.6	44	15.73	14	0
1993	73	19	85.2	20	60.9	35	10.47	75	0
1992	69.2	117	80.2	106	58.3	109	15.02	18	0
1991	73.6	12	86.8	1	60.4	52	8.88	101	0
1990	71	67	82.1	74	60	66	13.00	44	0
1989	71	67	81.4	83	60.6	44	12.10	54	0
1988	73.2	16	86.6	2	59.9	71	13.37	38	0
1987	72	42	83.5	43	60.4	52	10.03	85	0
1986	69.5	111	80.2	106	58.8	98	13.80	32	0
1985	68.5	125	79.3	122	57.6	122	10.24	80	0
1984	70.5	86	81.3	87	59.6	80	15.17	17	0
1983	69.9	103	81.3	87	58.5	105	12.61	48	0
1982	67.4	130	77.5	130	57.3	126	12.04	56	0
1981	72.5	27	82.8	56	62.3	9	10.62	72	0
1980	71.7	51	83.2	48	60.1	65	7.14	119	0
1979	70.2	95	79.8	114	60.7	38	12.01	57	0
1978	71.8	47	81.6	80	62	15	12.15	53	0
1977	71	67	81.4	83	60.6	44	9.39	91	0
1976	70.7	80	80.7	103	60.7	38	13.29	43	0
1975	70	100	79.4	120	60.5	48	13.34	40	0
1974	69.6	109	79.5	117	59.7	74	11.23	65	0
1973	70.9	71	81.1	92	60.7	38	11.80	60	0
1972	68.7	123	77.3	131	60.2	62	22.30	2	0
1971	70.9	71	81.9	76	60	66	10.05	84	0
1970	71	67	81.1	92	60.9	35	11.77	61	0
1969	70.8	77	81	94	60.5	48	13.93	30	0
1968	70.2	95	82.2	73	58.2	111	8.06	113	0
1967	70.6	84	81	94	60.3	57	14.24	25	0
1966	69.8	107	82.9	52	56.7	129	7.01	120	0
1965	67.4	130	79.5	117	55.3	132	8.48	105	0
1964	70.6	84	81.5	82	59.7	74	10.15	81	0
1963	69.6	109	81.9	76	57.3	126	7.88	115	0
1962	69.9	103	81.9	76	57.9	117	9.20	95	0
1961	70.7	80	81.9	76	59.4	84	14.29	23	0
1960	70	100	81.3	87	58.6	103	10.98	69	0
1959	72.4	29	83.4	46	61.4	26	11.30	64	0
1958	69.2	117	80.2	106	58.2	111	15.31	16	0
1957	71.1	65	83.7	38	58.4	107	8.64	103	0
1956	69.9	103	81	94	58.8	98	14.28	24	0
1955	74.1	6	86.3	5	61.9	17	10.43	77	0
1954	70.8	77	83.2	48	58.3	109	8.46	106	0
1953	71.8	47	85.3	19	58.2	111	6.51	123	0
1952	73	19	85.4	17	60.7	38	11.01	68	0
1951	70.8	77	83.3	47	58.4	107	6.83	122	0
1950	69.1	119	80.8	98	57.4	124	13.87	31	0
1949	74.3	4	86.2	6	62.3	9	11.85	59	0
1948	70	100	82.1	74	57.8	120	10.62	72	0
1947	70.2	95	80.8	98	59.7	74	14.58	20	0
1946	68.3	126	79.7	115	56.8	128	11.98	58	0
1945	69.5	111	79.9	113	59.1	94	9.31	93	0
1944	72.4	29	86.1	8	58.7	102	10.10	82	1
1943	73.5	13	86.4	4	60.6	44	10.38	78	0
1942	71.7	51	83.9	36	59.5	81	8.65	102	0
1941	70.9	71	84.3	29	57.4	124	14.20	26	1
1940	69	122	80.2	106	57.9	117	10.53	74	0
1939	71.6	56	83.5	43	59.7	74	9.39	91	0
1938	72.1	38	84.8	23	59.4	84	8.98	99	0
1937	72.2	37	83.7	38	60.7	38	13.80	32	0
1936	71.9	45	85.1	21	58.8	98	8.28	109	0
1935	71.5	59	82.5	66	60.5	48	9.97	87	0
1934	73	19	85.6	14	60.3	57	9.09	96	0
1933					59.5	81	15.62	15	12
1932	72.3	35	85.9	11	58.8	98	7.66	116	1
1931	72.4	29	84.5	28	60.4	52	8.24	110	0
1930	71.6	56	85.6	14	57.6	122	7.01	120	1
1929	70.5	86	84.3	29	56.6	130	6.12	125	0
1928	71.5	59	82.5	66	60.5	48	20.72	4	0
1927	67.5	129	78.8	126	56.3	131	8.30	108	2
1926	70.9	71	82.6	60	59.2	92	12.47	51	0
1925	72.4	29	85.4	17	59.3	90	8.21	111	0
1924	70.4	90	82.6	60	58.2	111	11.19	66	0
1923	72.3	35	86.1	8	58.6	103	8.45	107	0
1922	71.4	61	83.5	43	59.4	84	13.30	42	3
1921	72.9	22	85.6	14	60.2	62	9.09	96	0
1920	70.7	80	82.3	70	59.1	94	16.72	6	0
1919	72.4	29	84.1	34	60.7	38	13.47	37	0
1918	71.6	56	83.9	36	59.3	90	10.06	83	0
1917	70.9	71	80.8	98	61.1	30	16.34	9	0
1916	70.9	71	81.6	80	60.3	57	15.84	13	0
1915	69.1	119	78.8	126	59.4	84	16.32	10	0
1914	71.7	51	82.4	68	61	32	10.30	79	0
1913	71.1	65	83.2	48	59	96	8.91	100	0
1912	69.4	113	80.3	104	58.5	105	13.66	34	0
1911	73.3	14	84.9	22	61.6	23	12.59	49	0
1910	70.3	93	80.9	97	59.7	74	8.13	112	0
1909	70.2	95	81.4	83	59	96	6.00	126	0
1908	71.3	64	82.3	70	60.4	52	14.09	28	0
1907	68.7	123	79.2	123	58.2	111	9.98	86	0
1906	71.8	47	81.4	83	62.2	12	12.22	52	0
1905	70.5	86	79.6	116	61.4	26	14.86	19	0
1904	69.8	107	80.1	112	59.4	84	10.79	71	0
1903	67.8	128	77.6	129	57.9	117			1
1902	69.1	119	79	125	59.2	92	13.32	41	0
1901	74.4	2	82.6	60	66.2	1			0
1900	74.2	5	85.7	13	62.7	6			0
1899	73.2	16	82.6	60	63.9	2			5
1898	72.4	29	82.6	60	62.2	12			0
1897	68.1	127	78.1	128	58.1	116			0
1896	69.9	103	79.5	117	60.3	57	11.10	67	0
1895	70.4	90	80.8	98	60	66	9.30	94	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2020	74.5
2016	74.4
1901	74.4
1949	74.3
1900	74.2
1955	74.1
1995	74
2005	73.9
2024	73.7
2022	73.7
More years share the last value

Coldest
Year	Mean, °F
1982	67.4
1965	67.4
1927	67.5
1903	67.8
1897	68.1
1946	68.3
1985	68.5
1972	68.7
1907	68.7
1940	69

Wettest
Year	Precipitation, in
2018	23.73
1972	22.30
2023	21.81
1928	20.72
2017	16.91
1920	16.72
2006	16.58
2003	16.58
1917	16.34
1915	16.32

Driest
Year	Precipitation, in
1909	6.00
1929	6.12
1995	6.36
1953	6.51
1951	6.83
1966	7.01
1930	7.01
1980	7.14
2022	7.43
2020	7.60

The hottest, coldest and wettest days

Hottest day: 100°F; 3 July 2026, 2 July 2026
Coldest night: 45°F; 1 June 2026
Wettest day: 5.28 in; 2 August 2026

Every month, season and year

Months

Seasons

Years

Williamsport, PA the day's answers

All-time records

Every answer in words

Summer 2026 brought 13.52 in of precipitation in Williamsport, PA, the wettest summer since 2023, 36th wettest of 126.
The hottest day of summer 2026 in Williamsport, PA: 100°F on Friday 3 July 2026 and Thursday 2 July 2026.
The coldest night of summer 2026 in Williamsport, PA: a low of 45°F on Monday 1 June 2026.
The wettest day of summer 2026 in Williamsport, PA: 5.28 in on Sunday 2 August 2026.